12/30 as a percentage is 40.00%. This simple fraction reduces to 2/5, and when expressed as a percent it shows that 12 parts out of 30 equal forty percent of the whole.
The fraction 12/30 can be thought of as twelve pieces out of a total of thirty equal pieces. Seeing it as 40.00% helps you quickly compare it to other values, like grades or discounts, because percentages are easy to understand at a glance.
In everyday use, you might meet this number when calculating sales tax, test scores, or sports statistics. Knowing that 12/30 equals 40.00% lets you make fast, accurate decisions without extra math steps.
