7/8 - 4/8 = 3/8
1/2 minus 3/7 is 1/14
6/14 minus 2/7 = 3/7 - 2/7 = 1/7
1 and 7 over 9
1/2 minus 3/7 is 1/14
2 and 3/7 minus 8/14 = 13/7 or 1 and 6/7
1 1/4 minus 2/3 is 7/12
9/7 or 1 2/7
5 over 18
-1/5 minus -2/7 is 3/35
Your mom ;p
1 5/49
-3 minus 7/2 is -6 1/2 or -6.5