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March 3, 2015

March 3, 2015

Posted by **norma** on Sunday, July 4, 2010 at 8:14pm.

- math -
**Ms. Sue**, Sunday, July 4, 2010 at 8:20pmFirst we need to find the common denominator.

7/9 = 56/72

15/8 = 135/72

56/72 - (135/72) = -(79/72) = -(1 7/72)

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