What is 1/90 as a percentage? It is 1.11% when rounded to two decimal places.
The fraction 1/90 means you have one part out of ninety equal parts. It’s a very small slice, which is why its percentage is just a little over one percent. You can think of it as taking one piece from a group of ninety similar pieces.
Because 1/90 is such a tiny portion, it often appears in situations where only a small chance or a minor amount is involved—like a low probability event or a tiny discount. Remember that 1.11% represents the same size as the fraction 1/90, just expressed in a more familiar way.