Answer: 8/7
Step-by-step explanation
The first row has 7 yellow boxes out of 7 total. We represent this with 7/7.
The next row is represented as 1/7 to indicate 1 box yellow out of 7 total.
Add those fractions.
(7/7) + (1/7) = (7+1)/7 = 8/7
The formula I used is: a/c + b/c = (a+b)/c