1) 8 3/7 - 4 2/5 = 4 1/35
2) 6 11/15 - 2 7/10 = 4 1/30
3) 16 17/18 - 2 11/12 = 14 1/36
4) 18 13/48 - 5 3/64 = 13 43/192
1) 8 3/7 - 4 2/5 = 4 1/35
2) 6 11/15 - 2 7/10 = 4 1/30
3) 16 17/18 - 2 11/12 = 14 1/36
4) 18 13/48 - 5 3/64 = 13 43/192