To express the whole number 325 as a fraction, we can represent it with 1 as the denominator. Therefore, 325 can be written as:
325 = 325/1
This means that 325 is equivalent to 325 parts of a single whole. When dealing with whole numbers, this is a standard way to convert them into a fraction format, showing clearly that it is an integer without any remainder. In this case, the fraction is already in its simplest form since the numerator (325) and denominator (1) do not have any common factors other than 1.