No it is not. 8 and 12 are not coprime: they have a common factor which is greater than 1.
Ten twelves is 120. 120 is an integer and not a fraction. However, it can be expressed in rational form as 120/1. And that is its simplest form.
5/12 is in its simplest form.
2 over 3
3/12 = 1/4
two thirds = eight twelfths8/12 = 4/6 = 2/396 = eight twelves = 8 x 12
7/12 is in its simplest form.
Eleven twelves is 132.
120
Yeah it is
5
2/5
One fourth