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Math Help - Someone help me

  1. #1
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    Joined
    Oct 2009
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    14

    Someone help me

    find the are of a rectangle that is 20 1/2in by16 3/7


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  2. #2
    Newbie
    Joined
    Nov 2009
    Posts
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    20+1/2 x 16+3/7
    = (20x2+1)/2 x (16x7+3)/7
    = 41/2 x 115/7
    = (41x115)/(2x7)
    = 4715/14
    How many 14's fit as a whole into 4715? 336.
    336+x/14
    How much of the numerator is left? 336x14=4704 then 4715 -4704 = 11

    336 11/14

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