1 - 1 = 0
2/5 = 4/10 minus 1/10 is 3/10
9/10 minus 3/5 is 3/10
2/10 which is 1/5
3/5 minus 3/10 is the same as 6/10 minus 3/10 = 3/10
1/10 is.
3/5
9/10 − 4/5 = 1/10
3/5 − 9/10 = -3/10
It is: 4/5 minus 1/2 = 3/10
3/5 minus 2/10 is 2/5
10/11 − 5/11 = 5/11
9/10 minus 1/10 is 4/5