40/55 - 22/55 = 18/55
7/11 minus 2/5 is 13/55
1/2 minus 5/32 is 11/32
2 minus 5/6 = 11/6
11/2 or 5 and a half.
11/12 − 1/2 = 5/12
1 − 5/2 = -11/2
10/11 − 5/11 = 5/11
It is: 12-5/12-1/12 = 11 and 1/2 or 11.5
2/1 - 4/5 = 10/5 - 4/5 = 6/5 = 11/5
6/11 minus 5/6 equals -19/66
21/25 − 2/5 = 11/25
2 minus 2/5 plus 1/2 minus 4 = -1.9