The fraction 2/5 is equal to 40.00% when expressed as a percentage. This common fraction represents two parts out of a whole divided into five equal parts. It's a useful fraction to know, as it comes up often in everyday situations like cooking, finances, and statistics.
In practical terms, 2/5 means 40% of something, which is less than half but more than a third. For example, if you have a group of 100 people and 40 of them are wearing hats, you could say that 2/5 or 40% of the group is wearing hats. This fraction and its percentage equivalent are handy for quick mental math and estimations in various real-world scenarios.