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www.khanacademy.org/math/in-sixth-grade-math/fractions-1/addition-subtraction-fractions/v/adding-and-subtracting-fractions

How to add and

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www.ixl.com/math/grade-7/add-and-subtract-fractions

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

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

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

www.purplemath.com/modules/fraction4.htm

Sections: Reducing fractions, Mixed numbers and improper fractions, Multiplying
and dividing fractions,

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

Add and

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Add and

Answer

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

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www.coolmath4kids.com

This is a bit tricky, but you'll think it's easy once you get used to it! Let's try this: 1/2 + 1/3. The main rule of this game is that we can't do anything until the ...

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How much pie are you in the mood for? In this BrainPOP movie, Tim and Moby
teach you how to add and