Adding Fractions and Mixed Numbers

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What is a fraction?

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What does it mean to add fractions with unlike denominators?

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You cannot directly add fractions with different denominators. You must first find a common denominator.

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How do you find a common denominator for two 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?

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The first step is to ensure that the fractions have a common denominator.

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What is a mixed number?

Back

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How do you convert an improper fraction to a mixed number?

Back

Divide the numerator by the denominator. The quotient is the whole number, and the remainder over the original denominator is the fraction.

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