# math

How is adding and subtracting mixed numbers similar to adding and subtracting fractions? How is adding and subtracting mixed numbers different than adding and subtracting fractions?

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1. Mixed numbers are, normally, changed to fractions before adding or subtracting:

10 1/2 + 6 1/4 = 21/2 + 25/4 = 42/4 + 25/4 = 67/4 = 16 3/4.

Note: The fractions were placed over a common denominator.

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posted by Henry
2. post it.

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posted by Henry

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