The fraction 9/21 is equal to 42.86% when expressed as a percentage. This means that if you had 21 items and selected 9 of them, you'd have chosen about 43% of the total. It's a bit less than half, but more than two-fifths of the whole amount.
In everyday situations, you might come across this fraction or percentage in various contexts. For example, if 9 out of 21 students in a class wore glasses, you could say that 42.86% of the class wears glasses. Or if you completed 9 tasks out of a list of 21, you'd have finished about 43% of your work. Understanding these equivalents can be helpful in quickly estimating proportions in daily life.
