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December 20, 2014

December 20, 2014

Posted by **derrick** on Thursday, May 21, 2009 at 6:52pm.

- math -
**annie**, Friday, May 22, 2009 at 12:22amfirst, get them a common denominator (in this case 35).

so (-8/7)5/5+(4/5)7/7=

(-40/35)+(28/35) =

(-40+28)/35 =

-12/35

or so i believe

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