Question

Ayala and sam were partners on a science project. Ayala spent 2 3/4 hours working on the project.Sam spent 1 3/4 on the project. How long did they work altogether ?

Answer 1

4 1/2 hours

Explanation:

Total time worked was ...

2 3/4 + 1 3/4 = (2 +1) + (3/4 +3/4)

= 3 + (1 1/2) = 4 1/2 . . . hours