Least Common Denominator

Front

What is the least common denominator (LCD)?

Back

The least common denominator (LCD) is the smallest multiple that two or more denominators share. It is used to add, subtract, or compare fractions.

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.

Front

What is the least common denominator of 6/8 and 4/10?

Back

80

Front

What is the least common denominator of 7/8 and 3/4?

Back

8

Front

What is the least common denominator of 2/3 and 4/15?

Back

15

Front

What is the least common denominator of 7/9 and 1/6?

Back

18

Front

What is the least common denominator of 5/12 and 1/10?

Back

60

Front

If the denominators are 4 and 6, what is the least common denominator?

Back

12

Front

What is the least common multiple (LCM) and how is it related to the least common denominator?

Back

The least common multiple (LCM) of two numbers is the smallest number that is a multiple of both. The least common denominator of fractions is the LCM of their denominators.

Front

Why is it important to find the least common denominator when adding fractions?

Back

Finding the least common denominator allows you to convert fractions to have the same denominator, making it possible to add or subtract them accurately.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2