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, making them easier to compare or add.

Front

What is an equivalent fraction?

Back

Equivalent fractions are different fractions that represent the same value or proportion of a whole.

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

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

Back

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

Front

What is the least common denominator of 6/8 and 4/12?

Back

24

Front

What is the least common denominator of 2/4 and 4/7?

Back

28

Front

Complete the equivalent fraction: 3/5 = ?/15

Back

9

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

Which of these numbers could NOT be a common denominator for 1/6 and 1/4: 12, 18, 24, 36?

Back

18

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Front

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

Back

9

Front

If two fractions have the same denominator, what can you say about them?

Back

They can be directly compared or added without needing to find a common denominator.

Tags

CCSS.3.NF.A.3D

Front

How can you create an equivalent fraction?

Back

Multiply or divide both the numerator and the denominator of a fraction by the same non-zero number.

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1