Least Common Denominator

Front

What is the least common denominator (LCD)?

Back

The least common denominator (LCD) is the smallest multiple that two or more denominators share. It is used to add, subtract, or compare fractions.

Front

How do you find the least common denominator of two fractions?

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 least common denominator of 1/4 and 1/6?

Back

The least common denominator is 12.

Front

Which of the following is a common denominator for 1/3 and 1/4? 8, 12, 16, 20

Back

12 is a common denominator for 1/3 and 1/4.

Front

What is the least common denominator of 2/5 and 3/10?

Back

The least common denominator is 10.

Front

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

Back

The least common denominator is 24.

Front

What is the least common denominator of 3/5 and 2/15?

Back

The least common denominator is 15.

Front

Which number could NOT be a common denominator for 1/2 and 1/3? 6, 12, 8, 4

Back

8 could NOT be a common denominator for 1/2 and 1/3.

Front

What is the least common denominator of 5/8 and 1/4?

Back

The least common denominator is 8.

Front

How do you convert fractions to have a common denominator?

Back

To convert fractions to have a common denominator, multiply the numerator and denominator of each fraction by the necessary factor to reach the least common denominator.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2