







A fraction 
20180502 

Adwin pose la question : The denominator of a rational number is greater than its numerator by 8. If the numerator is increased by 17 the number obtained is 3 by 2. Find the number. Penny Nom lui répond. 





An equation with fractions 
20160309 

Ed pose la question : 7/10___ +3/2=6/5 Penny Nom lui répond. 





Dealing with surds 
20151114 

Agnes pose la question : simplify (1√3)(1÷3+√3) Penny Nom lui répond. 





1÷[1√2(order of surd is 4)] 
20140502 

Anoushka pose la question : if t=1÷[1√2(order of surd is 4)] , then t=? Penny Nom lui répond. 





Adding mixed numbers 
20131120 

Kathy pose la question : 1 3/4 + 1 2/3= ?
5 1/2  2 5/6= ? Penny Nom lui répond. 





{(1+x)^1/31/3X(1+x)^2/3}/(1+x)^2/3 
20130617 

STEPHEN pose la question : {(1+x)^1/31/3X(1+x)^2/3}/(1+x)^2/3 Penny Nom lui répond. 





8 3/8  6 1/4 
20110321 

lenora pose la question : explain an error pattern in each of the following. 8 3/8  6 1/4 = 2 2/4 Penny Nom lui répond. 





1/a^2 + 1/b^2 
20110119 

robert pose la question : If (a + b)^2 = 81 and ab = 18, find the value of 1/a^2 + 1/b^2 ? Penny Nom lui répond. 





x/200+x/400+x/600+x/800 
20101008 

Ashishthombre pose la question : step by step LCM of x/200+x/400+x/600+x/800 Penny Nom lui répond. 





Algebraic fractions 
20100422 

rory pose la question : 3x/(x²64)+4/(x²6x16)= Robert Dawson and Harley Weston lui répond. 





Least common denominator 
20100213 

Priscila pose la question : 3/8 + 4/5 + 7/3 + 9/10 = ?
Thank you for your assistance.
Priscila Penny Nom lui répond. 





Combining fractions 
20100210 

Nick pose la question : Combine the fractions
2m/t + 5/mt Penny Nom lui répond. 





Lowest common denominator 
20080531 

marlene pose la question : cant get the common lowest denominator of 10,46,64 Janice Cotcher lui répond. 





x/4 = 3 1/2 
20080530 

Kelsey pose la question : How do you solve for "X" in the problem below?
X
 = 3 1/2
4
Kelsey Victoria West lui répond. 





Ordering fractions 
20071115 

DEL pose la question : Hi. I feel really stupid ! I'm a mature student and i have completely forgotten
How to find out the order of fractions from largest to smallest. I
Have been put this poser;
7/4...1/6....7/2
Can you please tell me what is the largest and lowest?
Will be very grateful....thank you Gabe Potter lui répond. 





I need to order 3/11, 1/8, 2/9 from least to greatest 
20071019 

Andrew pose la question : I need to order 3/11, 1/8, 2/9 in least to greatest. Penny Nom lui répond. 





Adding algebraic fractions 
20070814 

John pose la question : Ive completely forgot anything to do with the subject mentioned, so my question is straight to the point..
I need to know how to do the following problem (Preferably do not give me an answer though)
(k/3k8)  (4/k+2) Penny Nom lui répond. 





Simplifying an algebraic fraction expression 
20070725 

Jessica pose la question : How do I simplify b/(b^{2}25) + 5/(b+5)  6/b? Stephen La Rocque lui répond. 





Simplifying complex denominators 
20070621 

Krys pose la question : How do I simplify completely?
((4+i ) / (3+i ))  ((2i ) / (5i )) Stephen La Rocque lui répond. 





Common denominator 
20070110 

A parent pose la question : what is the common denominator of 3/5, 2/7 and 4/8? Stephen La Rocque lui répond. 





Order the fractions from least to greatest 
20070104 

Justin pose la question : I am a sixth grader, and I am having trouble with the last question in my homework assisgnment. 1/6, 2/5, 3/7, 3/5! Stephen La Rocque and Penny Nom lui répond. 





How do you solve for variables in the denominator? 
20061015 

Donna pose la question : How do you solve for variables in the denominator?
178 = 17/R Stephen La Rocque lui répond. 





Least common denominator 
20061004 

Paulette pose la question : Why is the LCD of 3/4 and 4/8 not the product of 4 and 8? Penny Nom lui répond. 





1/x + 1/y 
20060811 

Sonya pose la question : what is 1/x+1/y = ? is it equal to 1/x+y or what? Penny Nom lui répond. 





The lowest denominator 
20060702 

Lisa pose la question :
What is the lowest denominator for the following numbers:
a) 26
b) 21
c) 47
Stephen La Rocque lui répond. 





Adding fractions 
20060326 

Barbara pose la question : I know that to subtract 1/4 from 2/3 I must find a common denom. Now the 2/3 becomes 8/12.....i understand the 12, but where does the 8 come from? Penny Nom lui répond. 





Adding improper fractions 
20051125 

Paula pose la question : I would like a simple step by step explanation on how to add improper fractions. Penny Nom lui répond. 





Rational expressions 
20051115 

Zach pose la question : I can solve easy problems such as (x/2)+3=2+(3x/4). That is easy because the Lowest Common Denominator is 4. But what really gets me stuck is a problem like this one.
(6/x2) = ( 21/(x2)(x+2) )+ 1. Penny Nom lui répond. 





The least common denominator 
20041103 

A student pose la question : Write the LCD for each pair of fractions.
13. 1/3,1/5
14. 2/7,1/4
15. 3/4,3/5 Penny Nom lui répond. 





Rational expressions 
20040924 

A student pose la question : In general, I understand rational expressions except when it comes to solving problems such as:
x+y/2xy  2x/y2x or m4/3m4 + 3m+2/43m
I am confounded by the issue of having to find a common denominator. For example, if I tried to solve these problems by multiplying both denominators they would still be uncommon. Claude Tardif lui répond. 





Subtracting fractions 
20040511 

Filipe pose la question : Question:
_5_  __7__
6ab 8a Penny Nom lui répond. 





A/30 + B/105 = (7A + 2B)/x 
20040205 

Jim pose la question : If A/30 + B/105 = (7A + 2B)/x and A, B, and x are integers greater than 1, what must x equal? Penny Nom lui répond. 





Adding fractions 
20031116 

Ken pose la question : My name is Ken and I am taking my GED course for my High School and have not been in a class for 35 years. I am doing this for retraining. I am at the part about fractions. Here is an example that I am having trouble with.
1 3/7 + 4 2/3 + 11/21
They have no common denominators. Could you PLEASE help me. If you could send me a step by step explanation it would be greatly appreciated. Penny Nom lui répond. 





Subtracting rational expressions 
20030510 

Simone pose la question : hi, i'm totally lost. i understand that you need to find a lowest common denominator to subtract two fractions (rational expressions) with different denominators. but what if the denominators are "x1" and "x". is x the common denominator? if so what happens to the "1"? do you know of any live online help i can get with the following: 3/(x1)  (12x)/x i've looked through my notes and have no examples that quite match that i can follow to get through it. please help! Penny Nom lui répond. 





The least common denominator 
20030121 

Brittan pose la question : Hi there I need help! My name is Brittany and i am in the 6th grade. I need help finding the least common denominator(LCD), and the book says Find the LCM of the denominators and i've done that and then it says write equivalent fractions,using the LCM as the least commonn denominator.The directions say Use the LCD to write each pair as like fractions. and the problem is 1/8 and 5/40. Could u explain how in the word u do this? Thanks a lot Brittany Penny Nom lui répond. 





Rational expressions 
20021003 

Ashley pose la question : 1/x(squared) + 5/xy Penny Nom lui répond. 





Common Denominator 
20020826 

Slobodanka pose la question : What is a Common Denominator? Penny Nom lui répond. 





Adding and subtracting rational expressions 
20010503 

Donna pose la question : Adding and subtracting Rational expressions. I am in grade 10 and I am a student here is an example of the questions: 1/(x+1)  1/(x1) = ? Penny Nom lui répond. 





Domain of a function 
20001115 

Mickey pose la question : state any restrictions on the domain of the function. y = 5x  12 over 27x + 6 x does not equal what________? Penny Nom lui répond. 





Numerator and denominator 
20000618 

Maureen Beard pose la question : What is the origin of the terms numerator and denominater? Penny Nom lui répond. 





Simplifying Radicals 
19990126 

Mary pose la question : I would like to know how to simplify this question:
4 __________________ squareroot7 + squareroot3
I know the answer is (sqrt7  sqrt3) but i would really love to know how to get that answer!! Thanks. Jack LeSage and Penny Nom lui répond. 





Adding Fractions 
19981003 

Pam Bailey pose la question : Can you help me simplfy this? (1/2a + 1/3b)  (1/4a  1/5b) + (1/6a  1/7) thanx Harley Weston lui répond. 





Fractions 
19971020 

Rebecca Henry pose la question : When we add fractions, we find a common denominator and add the numerators When we multiply fractions, we simply multiply both numerators and denominators with no regard to commonality.  Why do we not have to find a common denominator when multiplying?
 Why do we multiply both numerators and denominators?
Chris Fisher lui répond. 

