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.

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15

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12

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45

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42

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60

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 they have in common.

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.

Front

Why is it important to find the least common denominator?

Back

Finding the least common denominator is important for adding, subtracting, or comparing fractions.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

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

Back

12