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Math Help - timesing fractions

  1. #1
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    timesing fractions

    hi this is my question:

    3\frac{3}{4} x \frac{5}{2}

    would the answer be, 4\frac{7}{8}
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  2. #2
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    Hello andyboy179
    Quote Originally Posted by andyboy179 View Post
    hi this is my question:

    3\frac{3}{4} x \frac{5}{2}

    would the answer be, 4\frac{7}{8}
    No, but I can see how you got it: you multiplied \frac34 by \frac52 and added the result to 3.

    You have to multiply the 3 by \frac52 as well. So you write 3\frac34 as a 'top-heavy' fraction first: \frac{15}{4}. Then multiply:
    \frac{15}{4}\times\frac52=\frac{75}{8}=9\frac38
    Grandad
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