The fraction 21/99 expressed as a percentage is 21.21%. This rounded figure gives a quick sense of how large the fraction is compared to a whole.
If you reduce 21/99, you get 7/33, which is the same amount in simpler terms. Both forms represent the same part of a whole, just written differently.
In everyday situations, 21.21% is a little over one‑fifth of a total. It’s handy to think of it as roughly 20 % when you need a rough estimate, but the exact figure is useful for precise calculations.
