Well, isn't that a happy little math problem we have here? When you divide 8 by 1.5, you get 5.33333333... But let's not worry about those extra threes, we'll just say it's around 5.3. Remember, there are no mistakes in math, just happy little miscalculations.
8 ÷ 15 = 8 over 15.
8
8
1.875
1.875
15.5
15
0.125
15 / (3/8) = 15*8/3 = 40
0.125
-15
15