-3/8
2 minus 2/5 plus 1/2 minus 4 = -1.9
1 over 2
It is: 1/2
2 and 1/12 minus 1 and 1/3 = 3/4 or 0.75
3 1/2
2 − 1/3 = 12/3
4/10 or 2/5
11/12 − 1/2 = 5/12
2-1/3= 1/3 or .33 repeating
2 and 4 over 6
It is a fraction- -3/5 over 8
When you are using non-standard definitions of "plus" and "minus", or of "equal".