9 5/12 - 4 2/3 A.4 1/2 B.5 1/3 C.5 1/4 D.4 3/4

9 5/12 - 4 2/3 = 8 17/12 - 4 8/12
So, now what do you think?

4 9/12

so A

it is a estimit

you got the right result, but it's not A
????
9/12 = 3/4

i somehow got -73/12