Answer:
The first box is -3/4 and the second box is -2 1/4. Someone can check this if they want.
Explanation:
For the 1st box, it is -3/4 because I did -3/4+3/4 which gave me -0.75. I converted -0.75 and turned it into -3/4. For the 2nd box, I same thing where I got the some of -3/2 + -3/4 and got -2.25 I converted it into -2 1/4