1 ÷ 2 = 0.5
11 ÷ 12 = 0.9167
3 ÷ 10 = 0.3
1/2 would be in your center since its the second smallest
3 / 10 would be on your left since its the smallest
11/12 would be on your right since its the 'greatest' in this problem
So, therefore your answer would have to be:
▶3/10, 1/2 , 11/12 ◀