Finding Common Denominators

Finding Common Denominators

Finding Common Denominators

You can draw fraction bars or circles to help find an equivalent fraction.

Multiple Choice

What is a common denominator for 1/3 and 1/2?

• 2

• 3

• 5

• 6

Finding Common Denominator

You can multiply the numerator and the denominator by the same number.

Multiple Choice

What is a common denominator for 1/2 and 2/6?

• 2

• 6

• 10

• 12

Finding Common Denominators

You can multiply the numerator and denominator by the denominator of the other fraction.

Multiple Choice

What is a common denominator for 1/3 and 3/5?

• 15

• 3

• 3

• 10

Finding Common Denominators

You can list the multiples of each of the denominators, then find smallest number the appears in both lists.

Multiple Choice

What is a common denominator for 1/4 and 2/6?

• 4

• 12

• 6

• 16

Multiple Choice

What is the sum of these fractions? 3/4 + 1/5

• 19/20

• 4/4

• 4/5

• 4/20

Multiple Choice

What is the sum of these fractions? 1/4 + 2/3

• 3/4

• 3/3

• 11/12

• 3/12