Answer:
17 4/5
Explanation:
Fist, add the whole numbers.
5 + 6 + 5 = 16
Now add the fractions.
2/3 and 1/3 have the same denominator so you can add easily.
2/3 + 1/3 = 3/3 = 1
Now 16 + 1 = 17
Then what's left is Mr. Caswall's 4/5 and then we add that to 17.
So it's 17 4/5
Hope this helps!