Adding and Subtracting Fractions with Unlike Denominators

Front

The top number of a fraction is called the _________________

Back

numerator

Front

What is a quick and reliable way to make equivalent fractions when adding or subtracting two fractions with unlike denominators?

Back

Multiply the bottom and the top by the opposite denominator

Front

Back

4, 4 1/2, 4.5

Front

Back

Front

Back

2

Front

What is the bottom number of a fraction called?

Back

denominator

Front

How do you find a common denominator for adding fractions?

Back

Find the least common multiple (LCM) of the denominators.

Front

What is an equivalent fraction?

Back

Front

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

Back

Find a common denominator.

Front

Back

6