The fraction 18/81 is equal to 22.22% when converted to a percentage and rounded to the nearest two decimal places. This percentage represents the portion of 81 that 18 makes up. It's a bit less than a quarter, which would be 25%.
In everyday situations, you might come across this fraction or percentage in various contexts. For example, if 18 out of 81 students in a school wore glasses, you could say that 22.22% of the student body wears glasses. Or if a company's stock price dropped from $81 to $18, you could say it decreased by 22.22% of its original value.