89 pounds minus 15% = 85% of 89 pounds = 89*85/100 pounds = 75.65 pounds
4 - 15 = -11
11/15 - 3/15 = 8/15
-15 minus -4 is -11.
17/3 minus 15/4 is 1 11/12
-4 + 15 = 11
134 pounds 8 ounces minus 128 lbs 9 ounces = 5 pounds 15 ounces.
8/15 minus 7/20 is 11/60
If you mean: 2/7 minus 1/11 then it is 15/77
Eleven fifteenths minus ten fifteenths is equal to one fifteenth.
15/100 or 3/20
11:15 pm minus 2:25 is 8:50pm.