Finding Common Denominator

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What is a common denominator?

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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.

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What is the least common denominator (LCD)?

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The least common denominator (LCD) is the smallest number that is a multiple of the denominators of two or more fractions.

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How do you compare fractions with different denominators?

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To compare fractions with different denominators, convert them to have a common denominator, then compare the numerators.

Tags

CCSS.4.NF.A.2

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What is the least common multiple (LCM)?

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The least common multiple (LCM) is the smallest multiple that is exactly divisible by two or more numbers.

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How do you find the LCM of 8 and 6?

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The LCM of 8 and 6 is 24.

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What is the relationship between LCM and LCD?

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The least common denominator (LCD) of fractions is the least common multiple (LCM) of their denominators.

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Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

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CCSS.3.NF.A.3D

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