it is between 3 or 5
52.80 reduced by 15% = 44.88
15/72 = 5/24 reduced
11/15 cannot be reduced further.
The fraction 4/15 cannot be reduced any more.
It is: 5/12 reduced
The fraction 15/16 cannot be reduced any more.
305 = 320 - 15
The fraction 17/15 cannot be reduced any more.
15 over 30 reduced to lowest terms is 1/2
4 out of 30 reduced to the lowest terms is 2 out of 15 or 2/15
12-15 = -3
15% = 3/20