The fraction 9/11 is equal to 81.82% when converted to a percentage. This means that if you have 11 parts of something and take 9 of those parts, you'd have about 82% of the whole. It's a bit more than three-quarters (75%) but less than a full whole (100%).
In everyday life, you might come across this fraction or percentage in various situations. For example, if 9 out of 11 people in a group agree on something, that's about 82% agreement. Or if you complete 9 out of 11 tasks on your to-do list, you've finished roughly 82% of your work. It's a useful number to know for quick mental math and understanding proportions.