-0.02
19/20 minus 11/12 = 1/30
8/15 minus 7/20 is 11/60
11/20
17/25 − 3/20 = 265/500. This simplfies further to 53/100
3/4 minus 1/5 is 11/20
11/20 − 3/25 = 215/500 which reduces to 43/100
Example: 20/17 minus 1 20/17 minus 17/17 3/17
(-17) - 20 = -37
-11 minus -20 is 9
20 minus 17 minus 3 minus 2 equals -2
(-11) x (-10) + (-20) 110 + (-20) 90
97 minus 94 minus 20 is equal to -17.