Question

Susie spent 4 1/4 hours on Monday an 3 5/8 hours on Tuesday working on project. About how long did she spend working on project

Answer 1

4(1/4)+3(5/8)=
(4+3)+(1/4+5/8)
7+(2/8+5/8)
7+7/8
7 and 7/8

Hope I didn't mess up for your sake

Answer 2

4 1/4 = 4 2/8 so 4 2/8+ 3 5/8= 7 7/8