The fraction 1/39 is equal to 2.56% when expressed as a percentage (rounded to two decimal places). This small percentage represents just over one-fortieth of a whole, which isn't a lot in most contexts. It's a bit more than 1/40, which would be exactly 2.5%.
In everyday life, you might encounter 1/39 or 2.56% in various situations. For example, if you're looking at sales data and see that 1 out of 39 customers made a purchase, that's this fraction at work. Or if you're reviewing your investment portfolio and notice a 2.56% increase in one of your stocks, that's the same amount. While it may seem like a small number, in some contexts even this small percentage can be significant.