The fraction 1/40 is equal to 2.50% when expressed as a percentage. This small fraction represents a tiny portion of a whole, just one part out of forty equal parts. It's not a common fraction you'd encounter in everyday life, but it can pop up in certain situations like calculating small discounts or probabilities.
While 1/40 might seem insignificant, it can add up in larger quantities. For example, if you had 40 marbles and gave away one, you'd be left with 97.50% of your original collection. In financial terms, a 2.50% interest rate on a savings account would mean earning $2.50 for every $100 saved over a year. Understanding these small fractions and percentages can be useful in various real-world scenarios, from managing money to analyzing data.