Common Denominators and Equivalent Fractions

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 multiple that two or more denominators share.

Front

Find the least common denominator of 1/4 and 1/3.

Back

12

Front

What does the denominator represent in a fraction?

Back

The denominator represents the total number of equal parts that make up a whole.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is an equivalent fraction?

Back

An equivalent fraction is a fraction that represents the same value as another fraction, even though the numerator and denominator may be different.

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

Find the equivalent fractions of 3/5.

Back

6/10, 9/15, 12/20, etc.

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

Find the equivalent fractions of 5/7.

Back

10/14, 15/21, 20/28, etc.

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

What is the least common denominator of 1/4 and 2/5?

Back

20

Front

What is the least common denominator of 2/6 and 7/8?

Back

24

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.