Common Denominators

Front

What is a common denominator?

Back

A common denominator is a number that is a multiple of the denominators of two or more fractions. It allows fractions to be compared or added together.

Front

How do you find the least common denominator (LCD)?

Back

To find the least common denominator, list the multiples of each denominator and find the smallest multiple that appears in both lists.

Front

What is the common denominator for 6 and 9?

Back

18

Front

What is the common denominator for 3/4 and 5/6?

Back

12

Front

What is the common denominator for 5/8 and 7/10?

Back

40

Front

What is the common denominator for 2/7 and 3/5?

Back

35

Front

What is the common denominator for 3/10 and 4/7?

Back

70

Front

If the denominators are 4 and 6, what is the common denominator?

Back

12

Front

If the denominators are 8 and 12, what is the common denominator?

Back

24

Front

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

Back

12