15/20 = 3/4
3/20 or 3 over 20
3/20
3/20
20, although if you reduced 15/20 to 3/4, the common denominator would be 4.
28 over 20 reduced = 7/5
20 over 53 can not be reduced because 53 is a prime number
15/72 = 5/24 reduced
11/15 cannot be reduced further.
15% = 3/20
6 over 20 can be reduced by dividing both numbers by 2 and get the answer 3 over 10 which can't be reduced any further.
It is: 5/12 reduced