The fraction 70/90 is equal to 77.78% when converted to a percentage. This means that 70 out of 90 parts represent about three-quarters of the whole. It's a bit more than 75% but not quite 80%.
In everyday situations, you might come across this fraction or percentage in various contexts. For example, if 70 out of 90 students passed a test, you could say that 77.78% of the class succeeded. Or if you completed 70 out of 90 tasks on your to-do list, you'd have finished 77.78% of your work. This percentage is useful for understanding how much of something is present or completed in relation to the total amount.