Help i dont know this and this has to be turned in tommorrow

The answer is 5 7/8 (mixed number)
Step-by-step explanation:
Add up common denominators: 4 3/4 + 6 1/4 = 11
11 + 5 1/8 = 16 1/8 and 22(goal) - 16 1/8 = 5 7/8