Improper Fractions and Mixed Numbers Worksheets This will give you how many whole numbers the improper fraction represents. For instance, 15/5 would convert to a whole number of 3. If there is a remainder left over, the remainder should be written as a fraction. For instance, 10/3 converted to a whole number would be 3.33. As a mixed number, this would be written as 3 and 1/3.