Answer:
is a whole number.
Explanation:
Given : A fraction

We have to determine whether the given fraction
equal to a whole number or a mixed number.
Whole numbers are those numbers that do not involves fractions.Example : 1, -10 , etc
Mixed numbers are numbers that are combination of an integers and a proper fraction. Example
etc.
Consider the given fraction
45 can be written as product of 9 and 5
Thus, fraction becomes,
On simplifying, we get
Thus, 9 is an intger with no fraction.
Hence,
is a whole number.