1/20 as a fraction in simplest form

(already in simplest form)

Step-by-step explanation:

So as to improve a division there must be:  

1. A number that will isolate equitably into both the numerator and denominator so it very well may be diminished. No such number exists for 1 and 20.  

Or, on the other hand, there must be  

2. The numerator must be more noteworthy than the denominator, (an ill-advised part), so it tends to be changed over to a blended number. 1 isn't more noteworthy than 20.  

This portion is already in least difficult structure:

Therefore, it is the answer to the question.

n=9

step-by-step explanation:

7 times a number = 7n

decreased by 13 = 7n-13

same as is =

5 times the number = 5n

increased by 5 = 5n+5

7n-13 = 5n+5

2n=18

n=9