Adding and Subtracting Fractions with Unlike Denominators

Front

What do you need to find when adding or subtracting fractions with unlike denominators?

Back

You need to find the least common multiple (LCM) to change your denominator.

Front

What is the result of 4/6 + 3/6?

Back

7/6

Front

Can you add fractions with unlike denominators directly?

Back

No, you cannot add unlike denominators.

Front

Max measured 3/4 cup of sugar and dropped 1/8 cup. How much sugar is left?

Back

5/8 cup

Front

What is 1/2 + 1/4?

Back

3/4

Front

What is the least common multiple (LCM)?

Back

The least common multiple is the smallest number that is a multiple of two or more denominators.

Front

How do you convert fractions to have a common denominator?

Back

Find the least common multiple of the denominators and convert each fraction accordingly.

Front

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

Back

Find a common denominator.

Front

If you have 1/3 and 1/6, what is the common denominator?

Back

The common denominator is 6.

Front

What is 2/5 - 1/10?

Back

1/5