Subtracting/Adding Fractions with like and unlike denominators

Front

What is the first step to subtract fractions with unlike denominators?

Back

Find a common denominator.

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What is the first step to add fractions with unlike denominators?

Back

Find a common denominator.

Front

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 convert fractions to have a common denominator?

Back

Multiply the numerator and denominator of each fraction by the same number to make the denominators equal.

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Front

What do you need to add or subtract fractions?

Back

Common denominators.

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Back

Front

What is the formula for adding fractions with like denominators?

Back