Answer:
For the first part, it would be: 15/4 - 9/4 = 6/4
The second part would be 1 1/2
Step-by-step explanation:
You would do 3*4 + 3 to get 15/4, you would do 2*4 + 1 to get 9/4, then you would subtract 9 from 15 to get 6. 6/4 is 1 1/2
