Adding Mixed Numbers with Unlike Denominators

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What is a mixed number?

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A mixed number is a whole number combined with a fraction, such as 1 1/2.

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How do you add mixed numbers with unlike denominators?

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1. Find a common denominator. 2. Convert the fractions. 3. Add the whole numbers. 4. Add the fractions.

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What is a common denominator?

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A common denominator is a shared multiple of the denominators of two or more fractions.

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What is the first step to add fractions with unlike denominators?

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Find a common denominator.

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What is the least common multiple (LCM)?

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

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How do you find the LCM of 3 and 4?

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The LCM of 3 and 4 is 12.

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What is an equivalent fraction?

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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.

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