Adding Mixed Numbers with Unlike Denominators

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What is a mixed number?

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How do you add mixed numbers with unlike denominators?

Back

1. Convert mixed numbers to improper fractions. 2. Find a common denominator. 3. Add the fractions. 4. Convert back to a mixed number if necessary.

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, allowing them to be added or subtracted.

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What is the first step when adding fractions with different denominators?

Back

Find a common denominator.

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What does it mean to simplify a fraction?

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To simplify a fraction means to reduce it to its lowest terms, where the numerator and denominator have no common factors other than 1.

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What is an improper fraction?

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What is the process to convert a fraction to an equivalent fraction?

Back

Multiply or divide both the numerator and denominator by the same non-zero number.

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What is the least common multiple (LCM)?

Back

The least common multiple is the smallest multiple that two or more numbers share.