Question

15 one half subtracted by 3 wholes and seventh eights

Answer 1

15 1/2 minus 3 7/8 is 11.625 or or 11 5/8

Answer 2

15 and one half is 31/2. 3 and seven eighths is 31/8. 31/2 also equals 124/8. Then the answer is 124/8 - 31/8 is 91/8. Hope that helped.