The fraction 57/70 is equal to 81.43% when converted to a percentage. This means that if you had 70 items and selected 57 of them, you'd be choosing about 81% of the total. It's a pretty high percentage, showing that more than three-quarters of the whole is being represented.
In everyday life, you might see this kind of fraction used in various situations. For example, if 57 out of 70 students passed a test, a teacher might say the class had an 81% pass rate. Or in sports, if a basketball player made 57 out of 70 free throw attempts over a season, their free throw percentage would be 81%. This percentage gives a quick and easy way to understand how much of something is being talked about.