Adding and subtracting fraction
posted by Chyna .
On Monday Roger spent 8 1/10 hours studying. On Tuesday he spent another 1 3/10 hours studying. What is the combined time he spent studying?

Add 1/10 and 3/10 and you'll get 4/10
Add 8 and 1 and you'll get 9
9 4/10
Simplified; 9 2/5