Answer:
17 7/8
Explanation:
First, we need to find the Least Common Denominator.
We know that 8 is evenly divisible by 4, so lets make the problem 8 1/8 + 9 6/8
We can add 6 to 1, which gets 7, or 7/8
We can add 8 to 9, which gets 17
So out final answer is 17 7/8