Since you are eating 3 2/3 oranges from the 6 oranges that is given, you are subtracting. To break this problem into simpler terms, you can start by subtracting the whole number (3) from 6 which is 3. Now you have to subtract 2/3 from 3 which leaves you with 2 1/3. You will have 2 1/3 oranges left.
