The fraction 1/21 is equal to 4.76% when expressed as a percentage. This small fraction represents just under 5% of a whole, which means it's less than one-twentieth of something. It's a pretty uncommon fraction to come across in everyday life, but it can show up in certain calculations or probability scenarios.
When dealing with 1/21 or 4.76%, you're looking at a fairly small portion of a whole. For example, if you had a pizza cut into 21 slices, taking just one slice would give you 1/21 of the entire pizza. This fraction might also come up in sports statistics or in financial calculations where you're dealing with specific ratios or percentages.