The fraction 91/100 is equal to 91.00% when expressed as a percentage. This means that if you have 91 out of 100 parts of something, you have 91 percent of the whole. It's a pretty high percentage, showing that you're dealing with most of a complete set or group.
To put it in perspective, 91/100 is just shy of being a perfect score. If this were a test grade, it would be an A in most schools. In sports, a team winning 91 out of 100 games would be considered incredibly successful. This fraction represents a significant majority, whether you're talking about survey responses, success rates, or any other measurement where you're counting parts out of a hundred.