13 is prime so it can't be reduced so you multiply 13 & 18 by 2 so the answer is 26 over 36. :)
1/2
1/6 or 2/9
An equivalent fraction to 15/18 is 5/6
38.88%
A fraction. (1/3)
7/9
1/2
15/18 can be reduced to 5/6
It is: 6/18 = 1/3 in its simplest form
8/18 or 4/9
% rate = 61.11% = 11/18 * 100% = 0.6111 * 100% = 61.11%
13 is not a fraction and so its decimal equivalent is 13.