Adding Fractions with Unlike Denominators

Front

What must you have to add and subtract fractions?

Back

Common denominators

Front

What is a numerator?

Back

Top number in a fraction

Front

What is a denominator?

Back

Bottom number in a fraction

Front

How do you find a common denominator for 1/4 and 1/6?

Back

The least common multiple (LCM) of 4 and 6 is 12.

Front

What is the first step in adding fractions with unlike denominators?

Back

Find a common denominator.

Front

If you have 1/3 and 1/4, what is the common denominator?

Back

The common denominator is 12.

Front

How do you convert 1/3 to have a denominator of 12?

Back

Multiply the numerator and denominator by 4 to get 4/12.

Front

How do you convert 1/4 to have a denominator of 12?

Back

Multiply the numerator and denominator by 3 to get 3/12.

Front

What is 4/12 + 3/12?

Back

7/12

Front

What do you do after finding a common denominator?

Back

Convert each fraction to an equivalent fraction with the common denominator.