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www.khanacademy.org/math/in-sixth-grade-math/fractions-1/addition-subtraction-fractions/v/adding-fractions-with-unlike-denominators

www.khanacademy.org/math/pre-algebra/fractions-pre-alg/fractions-unlike-denom-pre-alg/e/adding_fractions

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www.mathsisfun.com/fractions_addition.html

There are 3 Simple Steps to

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

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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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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

More Info

www.khanacademy.org

Practice

www.coolmath.com

This prealgebra lesson explains how to

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This page will show you how to