Adding and Subtracting Fractions With Different Denominators

Front

What is a fraction?

Back

A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

Front

What does it mean to have different denominators in fractions?

Back

Different denominators mean that the fractions represent parts of different-sized wholes, making it necessary to find a common denominator to add or subtract them.

Front

How do you find a common denominator for two fractions?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators.

Front

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

Back

The first step is to find a common denominator for the fractions.

Front

Calculate: 5/6 + 1/12. What is the answer?

Back

11/12

Front

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

Back

The first step is to find a common denominator for the fractions.

Front

Calculate: 4/9 - 1/12. What is the answer?

Back

13/36

Front

Calculate: 7/15 - 1/5. What is the answer?

Back

4/15

Front

Calculate: 1/2 + 1/4. What is the answer?

Back

3/4

Front

Calculate: 19/20 - 3/10. What is the answer?

Back

13/20