Answer:

Step-by-step explanation:
To find :Which of the following is an example of a proper fraction?
Solution :
Definition :A fraction that is less than one, with the numerator less than the denominator.
A) 
Since numerator is greater than denominator
So, it is not a proper fraction
B)

So, it is not a proper fraction
C) 
Since numerator is greater than denominator
So, it is not a proper fraction
D) 
Since it is satisfying the definition of proper fraction
So, it is a proper fraction
Hence
is a proper fraction