If the numerator is greater than or equal to the denominator of a fraction, than it is called an improper fraction. In that case you can convert it into a whole number or mixed number fraction.
Divide 2818 by 70 and it comes out to: 40.2571429 it is not 40 because their is still some left over so there will be 41 ferry's and one of them will not be a full ride!