Answer:
3 3/10
Step-by-step explanation:
2 4/5 + 1/2 [change 2 4/5 to an improper fraction]
14/5 + 1/2 [make both fractions have a common denominator]
28/10 + 5/10 [add the numerators, leave the denominator the same]
33/10 [change back into mixed number]
3 3/10