5/8 x 10/10 = 50/80
3/10 x 8/8 = 24/80
50/80 - 24/80 = 26/80 = 13/40
5 and 8/10 minus 3 and 1/2 = 2 and 3/10
-2.8
4/5 minus 1/2 is the same as 8/10 minus 5/10 = 3/10
3/5
4/5 - 3/10 = 8/10 - 3/10 = 5/10 = 1/2
524.
-8
5/8-3/10 = 25/40 - 12/40 = 13/40
13/10 - 5/10 = 8/10 or 4/5
4 ft 10 in
Nine and five twelves minus 8 and seven tenths = 9 + 5*12 - (8 + 7/10) = 60 3/10.
36 / 4 - 16 - 10 / 6 + 8 = 9 - 16 - 5/3 + 8 = 1 - 5/3 = -2/3