Adding & Subtracting Fractions with UNLIKE Denominators

Front

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

Back

common denominator

Front

What should you do after adding or subtracting fractions?

Back

simplify

Front

Can you add fractions with unlike denominators directly?

Back

No, you cannot add unlike denominators.

Front

What is the best common denominator for 1/3 and 1/4?

Back

12

Front

If you have 1/2 and 1/3, what is the common denominator?

Back

6

Front

What is 1/4 + 2/3?

Back

11/12 (after finding a common denominator of 12)

Front

What is 3/5 - 1/2?

Back

1/10 (after finding a common denominator of 10)

Front

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

Back

Find a common denominator.

Front

What does it mean to simplify a fraction?

Back

To reduce it to its lowest terms.

Front

If you have 2/5 and 1/10, what is the result of adding them?

Back

3/5 (after finding a common denominator of 10)