Respuesta :

4/3 - (-3/4)

4/3 + 3/4

16/12 + 9/12

25/12 = 2 1/12

Hope I helped :)
DreamyboatSC
This should be right, I just had to do this problem myself:

4/3 - (-3/4)
16/12 - (-9/12)
25/12
Since it doesn't say "Simplify" you would leave it at 25/12 instead of simplifying it to 2 1/12. Hope this helps!