These sets are equal. First, 12/24 is still dividable. So when we divide to the max point, we have to divide 12/24 by 12 and will get 1/2. So that is equal. And 12/24 is the same as 0.5 and 1/2 is 0.5 as well.
So, in conclusion, 12/24 is the same as 1/2.