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Math Help - Use any method to solve the complex fraction

  1. #1
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    Post Use any method to solve the complex fraction

    Please help me with this problem. I have attached the problem in a word document because when I tried to place it in her it became all jumbled together.
    2y-5
    y- ____
    5
    ____________________
    21 7
    __ + ____
    20 4y



    Thanks!!
    Attached Files Attached Files
    Last edited by HappyFeet; November 29th 2008 at 05:23 AM.
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  2. #2
    MHF Contributor
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    Hello !

    \large \frac{y-\frac{2y-5}{5}}{\frac{21}{20}+\frac{7}{4y}}\;=\;\frac{\frac  {5y-(2y-5)}{5}}{\frac{21y+35}{20y}}\;=\;\frac{3y+5}{5}\;\f  rac{20y}{21y+35}\;=\;\frac{3y+5}{21y+35}\;\frac{20  y}{5}\;=\;\frac{1}{7}\;4y\;=\;\frac{4y}{7}
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