The fraction 21/38 is equal to 55.26% when converted to a percentage. This means that if you had 38 items and took 21 of them, you'd have about 55% of the total. It's a bit more than half, but not quite as much as three-fifths.
In everyday life, you might come across this fraction or percentage in various situations. For example, if 21 out of 38 students in a class passed a test, you could say that 55.26% of the class succeeded. Or if a sports team won 21 games out of a 38-game season, their winning percentage would be 55.26%. This percentage is useful for comparing different fractions or understanding parts of a whole more easily.