The fraction 18/21 is equal to 85.71% when converted to a percentage. This percentage is rounded to the nearest two decimal places. The fraction represents a part-to-whole relationship, where 18 is the numerator (part) and 21 is the denominator (whole).
In everyday situations, you might come across this fraction or percentage in various contexts. For example, if 18 out of 21 students in a class passed a test, you could say that 85.71% of the class succeeded. This percentage gives a clear picture of how many students performed well compared to the total number in the class.