Finding 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 multiple that is common to the denominators of two or more fractions.

Front

How do you find the least common denominator?

Back

To find the least common denominator, list the multiples of each denominator and identify the smallest multiple that appears in both lists.

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Back

33

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Back

6

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30

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35

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24

Front

Why is it important to find a common denominator?

Back

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

Tags

CCSS.7.NS.A.1C

Front

What are multiples?

Back

Multiples of a number are the results of multiplying that number by whole numbers (e.g., multiples of 3 are 3, 6, 9, 12, ...).