sophiaonfleek sophiaonfleek

09-11-2016
Mathematics

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how to add and subtract unlike fractions

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thatstudent124 thatstudent124

09-11-2016

You have to find the least common multiple of the denominators (bottom), and when you do that, you multiply the numerator(top) by the same number. You then add or subtract the numerators. You leave the denominators as they are. Simplify if needed.

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