The fraction 42/63 is equal to 66.67% when converted to a percentage and rounded to two decimal places. This means that if you had 63 items and took 42 of them, you'd have about two-thirds of the total. It's a bit more than half but not quite three-quarters.
In everyday situations, you might see this fraction pop up in various contexts. For example, if 42 out of 63 students passed a test, you could say the pass rate was 66.67%. Or if a basketball player made 42 out of 63 free throw attempts, their free throw percentage would be 66.67%. This percentage is useful for comparing different fractions or understanding parts of a whole more easily.