You're an old pro at adding positive numbers by now.
What's the answer to this?
Hopefully, the answer popped right into your head!
2 and 3 are positive numbers, aren't they? And, in all the times that you've been adding these critters, did it ever occur to you that your answer wouldn't be a positive number? No way! Haha -- probably because you didn't know that there were any other kind of numbers.
Let's relook at this guy on a number line:
You add two positive numbers and the answer is positive.