Answer:
The correct option is c) 9/20
Explanation:
Consider the provided number: 0.45
Now, we need to find the equivalent fraction for the number 0.45
Convert the above number into fraction as shown:
First identify the numbers after the decimal point. There are two numbers after a decimal point.
Write the provided number with out decimal as shown:

Now, add 2 zeros in the denominator of the above number.

45 and 100 both the numbers are divisible by 5. Therefore, the above number can be written as:

Hence, the correct option is c) 9/20