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Posted by on Wednesday, January 12, 2011 at 3:03pm.

I know 7/9 - x = 1/36 is 3/4 but how do I show the work

  • math - , Wednesday, January 12, 2011 at 3:10pm

    7/9 - x = 1/36

    find LCD, LCD = 36

    28/36 - x = 1/36
    28/36 - 1/36 = x
    27/36 = x

    reduce fraction
    3/4 = x

  • math - , Wednesday, January 12, 2011 at 3:11pm

    7/9 - x = 1/36
    7/9 - 1/36 = x
    28/36 - 1/36 = x
    27/36 = x

    Divide 27 and 36 by 9.

    27/36 = 3/4

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