Least Common Denominator

Front

What is a 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 LCD, list the multiples of each denominator and identify the smallest multiple that appears in both lists.

Front

What is the Least Common Denominator of 1/6 and 1/4?

Back

The LCD is 12.

Front

Which of these numbers could NOT be a common denominator for 1/6 and 1/4? Options: 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 6/8 and 4/12?

Back

The LCD is 24.

Front

What is the Least Common Denominator of 2/6 and 7/8?

Back

The LCD is 24.

Front

Find the Least Common Denominator of 1/5 and 5/9. Options: 45, 9, 5, 90

Back

The LCD is 45.

Front

Find the Least Common Denominator of 6/7 and 3/4. Options: 7, 4, 28, 56

Back

The LCD is 28.

Front

What is a multiple?

Back

A multiple of a number is the product of that number and any integer. For example, multiples of 3 are 3, 6, 9, 12, etc.

Front

What is the relationship between denominators and fractions?

Back

The denominator of a fraction indicates how many equal parts the whole is divided into.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B