How to Change Mixed Fractions to Improper Fractions

Multiplication and addition are used to change mixed fractions to improper fractions.
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Solving math problems such as changing mixed fractions to improper fractions can be executed quickly if you know your multiplication rules and the required method. As with many equations, the more you practice, the better you'll become. Mixed fractions are whole numbers followed by fractions (for example, 4 2/3). In an improper fraction, such as 14/8, the numerator is higher than the denominator. Changing a mixed fraction to an improper fraction makes the number easier to divide or multiply.

    Multiply the whole number by the denominator. For example, consider 4 3/7. The whole number is 4, and the denominator is 7. The product equals 28.

    Add the product to the numerator. Using the example, add 28 and 3.

    Write the sum over the denominator. The end result will be an improper fraction, 31/7.

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