In its simplest form it would be 7/12
1/12
5 over 12
6 over 8
12/13
11/12
1/12
7/12
5/12.
11 over 12
Expressed as a proper fraction in its simplest form, by dividing the numerator and denominator by 12, 12/72 is equal to 1/6 or one sixth.
72/78 = 36/39 = 12/13