The fraction 18/87 is equal to 20.69% when converted to a percentage and rounded to two decimal places. This means that if you had 87 items and selected 18 of them, you'd be choosing about one-fifth or 20% of the total. 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, sales figures, or statistics. For example, if 18 out of 87 students passed a difficult exam, you could say that 20.69% of the class succeeded. While it's not a common fraction you'd use in daily life, understanding how it relates to percentages can be helpful in various contexts.