Least Common Denominator

Front

What is a common denominator?

Back

A common denominator is a number that can be used as a denominator for two or more fractions, allowing them to be compared or added together.

Front

What is the least common denominator (LCD)?

Back

The least common denominator (LCD) is the smallest number that is a common denominator for two or more fractions.

Front

How do you find the least common denominator?

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 1/2 and 1/3?

Back

The least common denominator is 6.

Front

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

Back

The least common denominator is 10.

Front

Which of these numbers could NOT be a common denominator for 2/4 and 3/8: 32, 12, 8, 24?

Back

12 is NOT a common denominator.

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

Find the least common denominator of 6/7 and 3/4.

Back

The least common denominator is 28.

Front

Find the least common denominator of 7/9 and 1/6.

Back

The least common denominator is 18.

Front

Find the least common denominator of 2/3 and 4/15.

Back

The least common denominator is 15.

Front

What is the least common denominator of 1/9 and 2/3?

Back

The least common denominator is 9.