[tex] \frac{6}{12} [/tex] is less than [tex] \frac{8}{12} [/tex]. This is because 6/12 and 8/12 already have the same denominators, so we don't need to change em. Now lets look at the numerators:-
6 & 8
Now we will compare these
6 is less than 8
So, 6/12 is less than 8/12.
Hope i helped ya!!