The fraction 10/21 is equal to 47.62% when converted to a percentage and rounded to two decimal places. This means that if you had 21 items and selected 10 of them, you'd have chosen about 47.62% of the total. It's a bit less than half, which would be 50%.
In everyday situations, you might come across this fraction or percentage in various contexts. For example, if 10 out of 21 students in a class passed a test, you could say that 47.62% of the class succeeded. Or if you completed 10 pages of a 21-page report, you'd be 47.62% done with your work. This fraction and its percentage equivalent are useful for expressing parts of a whole in different formats.