Adding Fractions w/Unlike Denominators (Probe 4)

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What is a fraction?

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A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

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What does it mean to have unlike denominators in fractions?

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Unlike denominators are when the bottom numbers of two or more fractions are different, making it necessary to find a common denominator to add or subtract them.

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How do you find a common denominator for fractions?

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To find a common denominator, identify the least common multiple (LCM) of the denominators.

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What is the first step in adding fractions with unlike denominators?

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The first step is to find a common denominator for the fractions.

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How do you convert a fraction to an equivalent fraction with a different denominator?

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Multiply the numerator and denominator of the fraction by the same number to create an equivalent fraction.

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