The fraction 21/58 is equal to 36.21% when converted to a percentage and rounded to two decimal places. This means that if you were to divide something into 58 equal parts and take 21 of those parts, you'd have about 36% of the whole. It's a bit more than one-third but not quite as much as half.
In everyday life, you might come across this fraction or percentage in various situations. For example, if 21 out of 58 students in a class prefer pizza over burgers for lunch, you could say that 36.21% of the class likes pizza better. Or if you're looking at sales data and see that 21 out of 58 customers bought a certain product, you'd know that roughly 36% of shoppers chose that item.