Common Denominators

Front

What is a common denominator?

Back

A common denominator is a number that is a multiple of the denominators of two or more fractions.

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

How do you find the least common denominator for 1/4 and 1/6?

Back

The least common denominator for 1/4 and 1/6 is 12.

Front

How do you find the least common denominator for 5/12 and 2/9?

Back

The least common denominator for 5/12 and 2/9 is 36.

Front

What is the least common denominator for 7/10 and 1/4?

Back

The least common denominator for 7/10 and 1/4 is 20.

Front

What is the least common denominator for 3/12 and 2/5?

Back

The least common denominator for 3/12 and 2/5 is 60.

Front

What is the least common denominator for 2/10, 3/6, and 2/5?

Back

The least common denominator for 2/10, 3/6, and 2/5 is 30.

Front

Why is it important to find a common denominator?

Back

Finding a common denominator is important for adding or subtracting fractions.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is a multiple?

Back

A multiple is the result of multiplying a number by an integer.

Front

What are the first few multiples of 4?

Back

The first few multiples of 4 are 4, 8, 12, 16, 20.