30/36
You cannot simplify 31 over 36 because 31 is prime.
you divide the numerator and denominator by a common number like 30 and 36 can both be divided by 6 so 30/36 would be equal to 5/6.
you do
Yes
36/8 = 9/2
one over two
36/42
3/7
1/2
17/18
36/24=3/2