Answer:
114/15 or 7 3/5
Explanation:
1) we put so we can add without whole numbers
3 3/15 = 48/15
4 2/5 = 22/5 (you need to multiply 3 to get the same denominator) = 66/15
2) we add
66/15 plus 48/15 = 114/15
3) simplify
7 3/5
~~~~hope this helps~~~ :)