For question 4 you would get 4 2/3 and 14/3 because the number line is split up into thirds and 4 2/3 as a improper fraction would be 14/3. The answer to Question 5 would be 2 1/5 and 11/5 because it is split up into fifths, the number has to be greater than 2, and 11/5 is 2 1/5 as an improper fraction.
