2 minus 2/5 plus 1/2 minus 4 = -1.9
it is 2 over 4
-1/4
3/6 minus 2/8 is 1/4
10/4 - z - 8/16 = 21/2 - z - 1/2 = 2 - z
2 minus 2/5 plus 1/2 minus 4 = -1.9
2/5 minus 4/9 equals -2/45
10/12 minus 2/4 is 1/3
It is: 3/4 minus 2/9 = 19/36
It is: 4/5 minus 1/2 = 3/10
it is 2 over 4
-0.04
4/7 minus 2/8 = 9/28 in its simplest form
6/4 - 2 = -0.5
-1/4
3/6 minus 2/8 is 1/4
4/8 - 2/8 = 2/8