Adding and Subtracting Fractions Practice

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What is a fraction?

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How do you add fractions with the same denominator?

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How do you add fractions with different denominators?

Back

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What is a common denominator?

Back

A common denominator is a number that is a multiple of the denominators of two or more fractions, allowing them to be added or subtracted.

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What is the least common denominator (LCD)?

Back

The least common denominator (LCD) is the smallest common multiple of the denominators of two or more fractions.

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How do you subtract fractions with the same denominator?

Back

Front

How do you subtract fractions with different denominators?

Back

To subtract fractions with different denominators, find a common denominator, convert the fractions, and then subtract the numerators.

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