The fraction 30/90 can be expressed as a percentage. When you do the conversion you get 33.33%. This is the rounded value to two decimal places.
30/90 is the same as 1/3 after you simplify the numbers. One third is a common part of many everyday situations, from splitting a pizza into three equal slices to dividing a budget into thirds.
Seeing the percentage makes it easy to compare with other numbers. For example, a 33.33% share of a project means you have roughly one‑third of the total work.
In reports or presentations, you can write 33.33% to quickly show the proportion without using fractions. It’s clear, concise, and works well for most audiences.