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To add or subtract fractions, they must have the same denominator. If they do not, make the least common multiple of all of the denominators the new denominator. After adding or subtracting, reduce your answer.

When giving the fractions like denominators, whatever number you multiply the old denominator of a fraction by, you must also multiply it by the numerator.

Sources:

See Also:
Least Common Denominators

www.khanacademy.org/math/in-seventh-grade-math/rational-numbers/copy-of-addition-subtraction-fractions/v/adding-fractions-with-unlike-denominators

To solve this problem, we need to find the least common multiple to get at the
common

www.khanacademy.org/math/arithmetic/fraction-arithmetic/arith-review-add-sub-fractions/e/adding_fractions

Practice

www.khanacademy.org/math/arithmetic/fraction-arithmetic/arith-review-add-sub-fractions/v/adding-small-fractions-with-unlike-denominators

Sal adds fractions like 3/4 and 1/5. ... Next tutorial. Adding and subtracting mixed
number with unlike denominators ...

www.ixl.com/math/grade-5/add-fractions-with-unlike-denominators

Fun math practice! Improve your skills with free problems in '

www.coolmath.com/prealgebra/01-fractions/fractions-12-adding-subtracting-different-denominators-01

How to

www.ixl.com/math/grade-6/add-and-subtract-fractions-with-unlike-denominators

Fun math practice! Improve your skills with free problems in '

www.helpwithfractions.com/adding-fractions-different-denominators/

Nov 3, 2014

learnzillion.com/lesson_plans/8178-add-and-subtract-fractions-with-unlike-denominators

In this lesson you will learn how to

www.ask.com/youtube?q=Adding Fractions with Unlike Denominators&v=lKiR4BBt6TE

Sep 21, 2011 ... Add Fractions ! Printable worksheet here: https://docs.google.com/document/d/17t
-zMu-Y23tlErj9vzD7KKITwLHNyyuCVdXkdZdxgtI/edit This ...