13
25/40 - 12/40 = 13/40
13
negative 8 and positive 5 (-8) + (5) = -3 (-8) - (5) = -13
It is the same as: 6/8 -3/8 = 3/8
2
.625
2
Three eighths subtracted by one half in simplest form:3/8 - 1/2 is the same as 3/8 - 4/8 = negative 1/8.if you meant three eighths subtracted from one half in simplest form, it would be:1/2 - 3/8 is the same as 4/8 - 3/8 = 1/8.
3 x -8
1 and a half
3/4 minus 7/8 = -1/8