To solve this, you do: 110 divided by 5 1/2. If you want your answer in fraction form, you do: 110/1 ÷ 11/2 (the improper fraction form) To multiply, flip the second fraction to change from dividing to mutiplying: 110/1 × 2/11 Multiply across 110 × 2 = 220 and 1 × 11 = 11 220/11 Simplify: 220 ÷ 11 = 20 Tom babysat for 20 hours.
