18/26 as a percentage is 69.23%. This tells you how much of a whole the fraction represents when you look at it in terms of hundredths.
The fraction 18/26 can be simplified to 9/13, but the value stays the same. Whether you write it as a fraction or a percentage, it describes the same part of a whole.
Knowing the percentage makes it easy to compare with other numbers, especially in everyday situations like discounts, grades, or test scores. It’s a quick way to see the size of the fraction at a glance.