12/90 as a percentage is 13.33%. This tells you that the fraction represents a little more than one‑tenth of a whole.
When you simplify 12/90, you get the reduced fraction 2/15. Both forms show the same size, just expressed differently. The fraction is a small part of any total you might be measuring.
In everyday situations, 13.33% could be used to describe a tiny discount, a minor increase in a grade, or the portion of a project that’s finished. It’s a handy number when you need a quick sense of scale.
Remember, whether you write it as 12/90, 2/15, or 13.33%, the value stays the same. Use the form that works best for your audience.