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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?

• Adding and subtracting fraction -

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

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