12 is the denominator of 3/12 (three twelfths)
It is 5/12
Eight twelfths is a fraction: 8/12
5/12
10/12 is 5/6 as a simplified fraction
3/12 = 1/4
5\12
2/12 = 1/6
3/12 = 1/4
4/12 = 1/3
25%
The answer is 7/12. This is because you just have to subtract 5/12 from 1/1 (12/12).