The fraction 20/90 is equal to 22.22% when converted to a percentage and rounded to two decimal places. This means that 20 out of 90 parts represent about 22% of the whole. It's a relatively small percentage, less than a quarter of the total.
To put this in perspective, if you had a pizza cut into 90 slices and took 20 of them, you'd have about 22% of the pizza. Or if you answered 20 questions correctly out of a 90-question test, you'd score around 22%. This fraction and percentage can be useful in various real-world situations, from calculating discounts to understanding probabilities in statistics.