18/69 as a percentage is 26.09%. This is the rounded value you get when you express the fraction in percent form, using two decimal places.
The fraction 18/69 can be simplified to 6/23, which still represents the same portion of a whole. Whether you write it as 18/69, 6/23, or 26.09%, the value stays consistent.
Knowing the percent makes it easier to compare with other numbers, like grades, discounts, or statistics. If you see a result close to 26.09%, you now know it’s the same as the fraction 18/69.