8/8+6/17+8/6=?
8/8 = 1
8/6 = 4/3
1 + 6/17 + 4/3
Common denominator = 17 x 3 = 51:
1 x 51/51 = 51/51
6/17 x 3/3 = 18/51
4/3 x 17/17 = 68/51
51/51 + 18/51 + 68/51 = [ 51 + 18 + 68 ] / 51 = 137/51