When the denominator is smaller than the numerator, it is called an improper fraction. It could be rewritten as a compound fraction, that is a number with an integer component followed by a common fraction (e.g. 8/3 = 2 2/3). You perform division on it as you would a common fraction.
Improper fractions occur all the time when you are using formulas that include division.
In this case, it is actually more convenient to record this number as an improper fraction as there is no integer multiple of the denominator that actually simplifies the expression. In decimal form this expression is 249.0039841, so the compound fraction would be 249 .016/4.016 ≈ 249 4/1040 = 249 1/255. Note this is close, but it is an approximation. Improper fractions have the virtue of being as exact as the numbers you began with.
as for the actual answer, do long division with 4.016 as the divisor and 1000 as the dividend,
________
4.016 | 1000
or, use a calculator
1000 ÷ 4.016 =
