1) 8 3/7 - 4 2/5 =8 15/35-4 14/35=
4 1/35
2) 6 11/15 - 2 7/10 =6 22/30-2 21/30=
4 1/30
3) 16 17/18 - 2 11/12 =16 34/36-
2 33/36=14 1/36
4) 18 13/48 - 5 3/64 =18 52/192-
5 9/192=13 43/192
1) 8 3/7 - 4 2/5 =8 15/35-4 14/35=
4 1/35
2) 6 11/15 - 2 7/10 =6 22/30-2 21/30=
4 1/30
3) 16 17/18 - 2 11/12 =16 34/36-
2 33/36=14 1/36
4) 18 13/48 - 5 3/64 =18 52/192-
5 9/192=13 43/192