The fraction 42/54 is equal to 77.78% when converted to a percentage and rounded to two decimal places. This means that 42 out of 54 parts represent about three-quarters of the whole. It's a bit more than 75% but not quite 80%, falling right in between those two values.
In everyday situations, you might come across this fraction or percentage in various contexts. For example, if 42 out of 54 students in a class passed a test, you could say that 77.78% of the class succeeded. Or if you completed 42 pages of a 54-page book, you'd be 77.78% of the way through it. This percentage is useful for understanding how much of something is present or how close you are to finishing a task.