Add, Subtract, and Simplify Like Fractions

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What is a fraction?

Back

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What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its lowest terms, where the numerator and denominator have no common factors other than 1.

Front

How do you add like fractions?

Back

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How do you subtract like fractions?

Back

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Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, used to add or subtract them.

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The least common multiple of 4 and 6 is 12, so the common denominator is 12.