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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

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This page will show you how to

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

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Feb 3, 2009 ... This video will show you how to add fractions . Thanks for learning! Please visit
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Nov 3, 2014

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Calculator for

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Math video teaches students how to

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Like

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When the

Helpful Resources

www.khanacademy.org

Adding and subtracting fractions with unlike denominators.

www.khanacademy.org

Practice

www.coolmath.com

This prealgebra lesson explains how to

www.mathsisfun.com

There are 3 Simple Steps to

www.themathpage.com

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