18/100 as a percentage is 18.00%. This fraction represents 18 parts out of a total of 100 parts. It's a common way to express portions or ratios, especially when dealing with percentages.
In everyday life, you might encounter this percentage in various situations. For example, an 18% tip on a restaurant bill, an 18% discount on a sale item, or an 18% chance of rain in a weather forecast. Understanding fractions and their percentage equivalents can be helpful in making quick calculations and comparisons in daily activities.