Add and Subtract Unlike Fractions

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What is an unlike fraction?

Back

Fractions that have different denominators.

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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.

Front

How do you add unlike fractions?

Back

Convert them to equivalent fractions with a common denominator, then add the numerators.

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12

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Front

Back

No, you cannot add unlike denominators.

Front

What is an equivalent fraction?

Back

An equivalent fraction is a fraction that represents the same value as another fraction, even though the numerator and denominator are different.

Front

How do you simplify a fraction?

Back

Divide the numerator and denominator by their greatest common factor.