30/99 as a percentage is 30.30%. This number tells you how much of a whole the fraction represents when you look at it on a 100‑point scale.
The fraction 30/99 can be thought of as 30 parts out of a total of 99 equal parts. When you compare it to a full set of 100 parts, it is just a little over 30 of those parts, which is why the percentage lands close to 30%.
Seeing the percentage makes it easy to compare this fraction with other numbers that are already expressed as percentages. It’s a handy way to quickly gauge size without dealing with the original denominator.
In everyday use, you might round 30.30% to 30 % for simplicity, but keeping the two decimal places gives a more accurate picture of the fraction’s value.
