17/25 − 3/20 = 265/500. This simplfies further to 53/100
It is -25/36
11/20 − 3/25 = 215/500 which reduces to 43/100
20 over 13
17
25 - (20%) = 20
-3/20 - 5/4 = -3/20 - 25/20 = -28/20 = -7/5
7/10 - 9/25 = 35/50 - 18/50 = 17/50
45
17- -8 = 25
5/8 - 7/20 = 25/40 - 14/40 = 11/40
25 - 5 = 20
45/12 − 17/12 = 25/6