145
9 + 6 + 9 + 6 + 9 + 8 + 5 + 2 + 9 + 8 + 7 + 6 + 5 + 4 + 3 + 2 + 1 = 99
89
4 + 5 + 6 + 7 + 8 + 9 = 39
9 + 8 + 7 + 6 + 5 + 4 = 39
(8/9) + (5/6)
9 + 8 + 7 + 6 + 5 + 4 + 3 = 42
8/9+5/6 is 31/18.
1 + 6 + 9 - 8 + 4 - 5 + 2 + 3 = -6
120
58
53
3/6 + 9/8 = 13/8 or 1 and 5/8