4
7/9 − 1/5 = 26/45
1/6
2 over 9
17 1/10
9/10 − 2/5 = 1/2
9/12 minus 4/5 = -1/20
It is: 2 and 2/6 minus 1 and 5/6 = 1/2
1/9 - 5/6 = 2/18 - 15/18 = - 13/18
5/12
4/5 - 1/8 = 32/40 - 5/40 = 27/40
1 over 3 subtracted from 2 over 3 would yield 1 over 3.