Adding and Subtracting Mixed Numbers

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What is a mixed number?

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How do you add mixed numbers?

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To add mixed numbers, first add the whole numbers, then add the fractions. If the fraction sum is improper, convert it to a mixed number.

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What is the first step in subtracting mixed numbers?

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The first step is to subtract the whole numbers, then subtract the fractions. If the fraction from the first number is smaller than the second, borrow from the whole number.

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

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

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What is the least common denominator (LCD)?

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The least common denominator is the smallest number that can be used as a common denominator for two or more fractions.