The fraction 13/21 is equal to 61.90% when converted to a percentage and rounded to two decimal places. This means that if you had 21 equal parts of something and took 13 of those parts, you'd have about 62% of the whole. It's a bit more than half, but not quite two-thirds.
In everyday life, you might see this fraction or percentage used in various situations. For example, if 13 out of 21 students in a class passed a test, you could say that 61.90% of the class passed. Or if a basketball player made 13 out of 21 free throws in a game, their free throw percentage for that game would be 61.90%. This fraction and its equivalent percentage are useful for expressing parts of a whole in different contexts.