9/89 as a percentage is 10.11%. This fraction is a small part of a whole, just a little over one‑tenth. When you see it written as a percent, it’s easier to picture how much of something it represents.
The fraction 9/89 is already in its simplest form, so there’s no need to reduce it further. It’s useful in situations where you need a precise share, like dividing a group of 89 items into 9 equal parts.
In everyday language, saying “about 10 %” is close enough for most casual uses, but the exact figure of 10.11% gives you a more accurate picture when precision matters.