The fraction 40/84 is equal to 47.62% when converted to a percentage. This means that if you had 84 items and took 40 of them, you'd have 47.62% of the total. It's a bit less than half, which would be 50%.
In everyday life, you might see this percentage in various situations. For example, if 40 out of 84 students passed a test, the pass rate would be 47.62%. Or if a sports team won 40 games out of 84 played in a season, their winning percentage would be 47.62%. It's a useful way to express parts of a whole, making it easier to compare different fractions or ratios.