Adding and Subtracting Fractions with Unlike Denominators

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What is the first step in adding or subtracting fractions with unlike denominators?

Back

Find a common denominator for the fractions.

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What is a proper fraction?

Back

A fraction where the numerator is less than the denominator.

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What is an improper fraction?

Back

A fraction where the numerator is greater than or equal to the denominator.

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What is a mixed number?

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A number that combines a whole number and a proper fraction.

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What does it mean to find a common denominator?

Back

It means to find a number that both denominators can divide into evenly.

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