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Math Help - adding fractions

  1. #1
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    adding fractions

    Show how to solve 5 3/4+ 1 2/3 in two different ways. In each case, express your answer as a mixed number. Explain why both of the methods are legitimate.

    Thank you

    The numbers above are fractiones
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  2. #2
    Super Member flyingsquirrel's Avatar
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    Hi

    how to solve 5 3/4+ 1 2/3 in two different ways
    What are you supposed to solve ? (there is no = sign, no unknown...)
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  3. #3
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    Its in form of a fraction so its
    3 2
    5-- + 1---
    4 3

    They want the answer to be expressed as a mixed number.
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  4. #4
    GAMMA Mathematics
    colby2152's Avatar
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    Quote Originally Posted by flyingsquirrel View Post
    Hi


    What are you supposed to solve ? (there is no = sign, no unknown...)
    The OP meant simplify.

    In this case....

    5 \frac{3}{4} + 1 \frac{2}{3}

    Simplifies to:

    \frac{20+3}{4} +  \frac{3+2}{3}

    \frac{23}{4} +  \frac{5}{3}

    LCD is 12

    \frac{69}{12} +  \frac{20}{12}

    \frac{89}{12}

    7 \frac{5}{12}

    Another way to do this is to find the LCD when they are mixed numbers, and then simplify them to normal fractions.
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  5. #5
    A riddle wrapped in an enigma
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    5 3/4 + 1 2/3 = (5 + 1) + (3/4 + 2/3) = 6 + (9/12 + 8/12) = 6 + 17/12 = 7 + 5/12 = 7 5/12.
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