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Math Help - complicated fractions

  1. #1
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    complicated fractions

    1/8+2
    2


    (1/8+25/16) (1/8-25/16)

    3(1/8)-3(2)
    3(2) - 3(1/8)

    4+5(25/16
    2
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  2. #2
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    Quote Originally Posted by jerryramos View Post

    1/8+2

    2
    I just love these, don't you?

    \frac{ \frac{1}{8} + 2}{2} Mulitply the top and bottom by 8:

    \frac{ \frac{1}{8} + 2}{2} \cdot \frac{8}{8} = \frac{1 + 2 \cdot 8}{2 \cdot 8} = \frac{17}{16}

    Quote Originally Posted by jerryramos View Post
    (1/8+25/16) (1/8-25/16)
    \frac{ \frac{1}{8} + \frac{25}{16} }{ \frac{1}{8} - \frac{25}{16} } Mulitply top and bottom by 16:

    \frac{ \frac{1}{8} + \frac{25}{16} }{ \frac{1}{8} - \frac{25}{16} } \cdot \frac{16}{16} = \frac{1 \cdot 2 + 25}{1 \cdot 2 - 25} = \frac{27}{-23} = - \frac{27}{23}

    That's the method. I'll let you fuss with the last two.

    -Dan
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