The fraction 28/91 is equal to 30.77% when converted to a percentage and rounded to two decimal places. This percentage represents how much of a whole the fraction represents. In other words, if you had 91 items and took 28 of them, you'd have about 30.77% of the total.
To put this in perspective, 30.77% is a little less than one-third of something. It's more than a quarter (25%) but not quite as much as one-third (33.33%). This fraction could be useful in various real-world situations, like calculating grades, measuring ingredients in cooking, or figuring out discounts when shopping.