Add and Subtract Mixed Numbers with Common Denominators

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What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction, such as 2 1/2.

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What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator, such as 9/4.

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How do you subtract mixed numbers with common denominators?

Back

1. Subtract the whole numbers. 2. Subtract the fractions. 3. Combine the results.

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How do you add mixed numbers with common denominators?

Back

1. Add the whole numbers. 2. Add the fractions. 3. Combine the results.

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What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions.

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How do you convert an improper fraction to a mixed number?

Back

Divide the numerator by the denominator. The quotient is the whole number, and the remainder is the new numerator.

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How do you find the difference between two mixed numbers?

Back

Align the fractions, subtract the fractions, and then subtract the whole numbers.