1) make sure the fraction has like denominators so the quick way is to use common denominator 7*4 = 28
(7m63)/28  (16m56)/28 = 2
2) combine the top since the denominators are the same
(7m  63  16m + 56) / 28 = 2
3) add/subtract like factors
(9m 7) /28 = 2 / 1
9m  7 = 56
9m + 7 = 56
9m = 63
m = 7
10/13/2013

Paul J.