Algebra I For Dummies
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Changing improper fractions to mixed numbers can help you better understand the result of an algebraic problem. Improper fractions are simply top-heavy fractions whose numerators (the numbers on top) are bigger than their denominators. Mixed numbers contain both a whole number and a fraction.

Example: Change the improper fraction 402/11 to a mixed number.

  1. Divide the numerator by the denominator.

    Divide 402 by 11, which equals 36 with a remainder of 6.

    402 11 = 36 r6

  2. Find the whole number.

    The whole number is the number of times the denominator divides into the numerator.

    11 (the denominator) divides into 402 (the numerator) 36 times, so 36 is the whole number.

  3. Make the remainder the new numerator.

    Because the remainder (the leftover value) of dividing 402 by 11 is 6, 6 is the new numerator. The denominator is still 11. So, the mixed fraction is:

    image0.png

    This mixed fraction is much easier to understand!

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Mary Jane Sterling taught algebra, business calculus, geometry, and finite mathematics at Bradley University in Peoria, Illinois, for more than 30 years. She is the author of several For Dummies books, including Algebra Workbook For Dummies, Algebra II For Dummies, and Algebra II Workbook For Dummies.

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