The fraction 21/31 is equal to 67.74% when converted to a percentage and rounded to two decimal places. This means that if you had 31 items and took 21 of them, you'd have about 68% of the total. It's a bit more than two-thirds but not quite three-quarters of the whole.
In everyday situations, you might come across this fraction or percentage when dealing with partial quantities or probabilities. For example, if 21 out of 31 days in a month were sunny, you could say there was sunshine about 68% of the time. While not a common fraction like 1/2 or 3/4, 21/31 can still pop up in various contexts where precise measurements or calculations are needed.
