Carl earns $3.25 per hour walking his neighbors dogs. He walks them 1/3 of an hour in the morning and 1/2 of an hour in the afternoon. How much time does Carl spend dog walking every day.

Look at your sentences:

Carl earns $3.25 per hour walking his neighbors dogs. He walks them 1/3 of an hour in the morning and 1/2 of an hour in the afternoon. How much time does Carl spend dog walking every day?

You don't need the first sentence.

1/3+1/2

find a LCD 6

2/6+3/6=5/6