Answer:
38/48 gallons of paint
Explanation:
Find a common multiple of the denominators 6 and 8. Let's stick with 6*8 since we know it will work.
6*8=48
Now, convert each fraction to a denominator of 48.
30/48 and 8/48
Now, just add them together.
30+8 = 38
The answer is 38/48 gallons of paint.