Common Denominators

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 for 1/2 and 1/3?

Back

The least common denominator for 1/2 and 1/3 is 6.

Front

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

Back

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

Front

What is the least common denominator for 4/8 and 7/16?

Back

The least common denominator for 4/8 and 7/16 is 16.

Front

What is the least common denominator for 2/5 and 1/3?

Back

The least common denominator for 2/5 and 1/3 is 15.

Front

What is the least common denominator for 5/12 and 2/9?

Back

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

Front

Why is it important to find a common denominator?

Back

Finding a common denominator is important because it allows fractions to be easily compared, added, or subtracted.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What are the steps to find the least common denominator?

Back

1. List the multiples of each denominator. 2. Identify the smallest multiple that appears in both lists.

Front

Can the least common denominator be one of the original denominators?

Back

Yes, the least common denominator can be one of the original denominators if it is a multiple of the other.