Answer:
12 3/8
Explanation:
8-1/2+5-1/8
8+5 -1/2 - 1/8
Lets get a common denominator of 8
8+5 - 1/2 *4/4 - 1/8
8+5 - 4/8 - 1/8
Combine the whole numbers and the fractions
13 -5/8
Now we need to borrow from the whole number
12 + 1 - 5/8
12 + 8/8 -5/8
12 +3/8
12 3/8