Operations of Fractions

Front

What must you do first in order to add or subtract fractions with unlike denominators?

Back

Find a common denominator.

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Back

Front

Lyla used 7/10 of a scoop of brown sugar and 1/2 of a scoop of white sugar. How much more brown sugar did she use?

Back

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Back

Front

Can you add fractions with unlike denominators directly?

Back

No, you cannot add unlike denominators.

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions.

Front

Back

The least common multiple of 3 and 4 is 12, so the common denominator is 12.

Front

Back

Find a common denominator.

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Back

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Back