Yes. 15 and 18 have a common factor of 3. Divide the
numerator and denominator by their common factor.
15/18 can be reduced to 5/6
An equivalent fraction to 15/18 is 5/6
13 is prime so it can't be reduced so you multiply 13 & 18 by 2 so the answer is 26 over 36. :)
38.88%
A fraction. (1/3)
7/9
1/2
1/2
52.80 reduced by 15% = 44.88
1/6 or 2/9
11/15 cannot be reduced further.
15/72 = 5/24 reduced