Our answer is 1/9.

We are asked to simplify the following fraction: 5/45
To do this, we are going to divide the numerator and the denominator by 5. We get 1/9.
Note:
This process is known as reducing fractions. Basically, you reduce fractions by dividing the numerator and the denominator by the greatest common factor (GCF). In this case the GCF was 5.
our answer is 1/9.