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Thread: Use any method to solve the complex fraction

  1. November 29th 2008, 05:01 AM #1
    HappyFeet
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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!!
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    Last edited by HappyFeet; November 29th 2008 at 05:23 AM.
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  2. November 29th 2008, 05:41 AM #2
    running-gag
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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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