The fraction 18/87 is equal to 20.69% when converted to a percentage and rounded to two decimal places. This means that 18 out of 87 parts represents about one-fifth or 20% of the whole. It's a bit more than 20%, but not quite 21%.
In everyday situations, you might come across this fraction or percentage when dealing with things like test scores, survey results, or statistical data. For example, if 18 out of 87 people in a group prefer a certain option, you could say that 20.69% of the group favors that choice. It's important to remember that this percentage is an approximation, as the exact value includes more decimal places.