20/72 as a percentage is 27.78%. This value is the rounded result when the fraction is expressed in percent form.
The fraction 20/72 can also be simplified to 5/18, which still represents the same portion of a whole. Whether you write it as a fraction or a percentage, it tells you that a little more than a quarter of the total is being considered.
Knowing the percentage makes it easier to compare this part to other numbers in everyday situations, like grades, discounts, or statistics. It’s a quick way to see that roughly 28 out of every 100 units would match the same proportion.