Both are wrong.
Please do not continue wasting your and our time by posting wild guesses.
8 9/15 - 1/2 =
A.8 8/13
B.8 4/15
C.8 8/15
D.8 8/1
E. None of these
A?
5/6 / 15=
A. 1/2
B. 10 5/7
C. 18
D. 1/18
B?
2 answers
On the other hand, if these are not wild guesses, show us how you got your answer, and maybe we can provide some pointers. Of course, the first step would be to study your text and try to do your problems following their examples.