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I forgot how to add and subtract mixed # fractions. How do you do it? ex) 3/7+5/6=1 11/42 How did they get this answer?? ex) 5 6/132 8/13=2 11/13 How did they get this answer?? ex) 3/7+5/6=1 11/42 You need to find a common
asked by Mack on June 26, 2007 
algebra !
i need help on adding and subtacting rational numbers like 7over12+5 over 6 When adding rational numbers we need a common denominator. We have 7/12 + 5/6 What is the least common multiple of 12 and 6? After you find that make
asked by makhissa on September 19, 2006 
Math
I still do not understand fractions?????? 2/3 + 1/3 + 5/6 = divide all of them first then add them up ???. I am still lost, can someone please help me. Ok. In your earlier question, there was talk of the LCM, the least common
asked by Andre on March 21, 2007 
math very urgent
First, do you get the same sum when you use 18 rather than 9 as a common denominator for 2/3 and 4/9? Explain the answer. Also what extra step will you have to perform if you do not use the least common denominator when adding
asked by Anonymous on December 10, 2012 
math,correction please..
(x)/(x2)  (x+1)/(x) = (8)/(x^22x) I keep getting x = 6 can someone show me how you guys are getting x = 10 The lowest commond denominator is x(x2) x/x *(x)/(x2)  (x+1)/(x) *(x2)/(x2)=(8)/x(x2) multiplying both sides by
asked by jas20 on March 7, 2007 
Math
What is the least common denominator when adding the fractions a / 2, b / 3, c / 9, and d / 15? A. 45 B. 90 C. 135 D. 270 E. 810
asked by Anonymous on May 4, 2015 
math
what are the possible advantages and disadvantages of using least common denominator when adding and subtracting fractions?
asked by m on October 27, 2010 
Math
Describe two ways to determine the larger of two fractions. A. Compare fractions by writing fractions as mixed numbers B. Compare fractions with the same denominator by comparing the numerators and compare fractions with different
asked by Tina on October 25, 2017 
subtracting fractions
4/52/3=? Find the least common denominator of 5 and 3 so that you can convert the two fractions to fractions that have the same denominator, then you can subtract them. Repost if you still have trouble.
asked by cassie on January 3, 2007 
MATH!
Finding Common Demoninators in fractions. 1) 2 4    x^216 x^2+x12 2) x3 x+3  +  x^2+2x8 x^2+7x+12 Can ANYONE help me with these. I cant figure out how to get the DEMONINATORS THE SAME!? Use brackets to write
asked by megan on April 1, 2007