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Math Help - Dividing Fractions?

  1. #1
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    Dividing Fractions

    What is this?

    Divide 6/13 by 6/12
    Last edited by Math Help; June 5th 2005 at 04:27 PM.
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  2. #2
    Site Founder Math Help's Avatar
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    dividing fractions

    To divide 6/13 by 6/12

    The trick to dividing fractions is simply to cross multiply.
    When dividing:

    ..a........c
    .--.../...--
    ..b........d

    you get :

    a*d
    ----
    b*c

    applying this to your example:


    ..6........6
    .--.../...--
    .13.......12

    you get :

    6*12
    ----- .......the 6's cancel and you are left with
    13*6

    12/13 answer
    Last edited by Math Help; June 5th 2005 at 04:27 PM.
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  3. #3
    Site Founder Math Help's Avatar
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    cross multiplication

    A good way to remember how to cross multiply is to flip the fraction you are dividing by and then multiply the two fractions as in the first example.
    Last edited by Math Help; June 5th 2005 at 04:27 PM.
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  4. #4
    xxx
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    Cool ur solution

    Quote Originally Posted by Alleycat823
    What is this?

    Divide 6/13 by 6/12
    eg 6/12divide6/12
    u need 2 receprocate the fraction on thr right which in ur case is 6/13 after receprocating ur number will be 13/6 now u have 2 change the sign 2 mutiplication and work it out

    hope u found ur ans
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