2 minus 2/5 plus 1/2 minus 4 = -1.9
2/5 minus 4/9 equals -2/45
It is: 4/5 minus 1/2 = 3/10
-0.04
4/5 - 2/10 = 4/5 - 1/5 = 3/5
4 and 3/5
2/5 = 4/10 minus 1/10 is 3/10
2/1 - 4/5 = 10/5 - 4/5 = 6/5 = 11/5
212/5
It is: 5/12
3 over 14
4/-9 − 5/2 = -53/18 or -217/18