11/21 = ≈52.38%
Rounded to 2 decimal places.
A value like 11/21, or about 52.38%, might show up in a survey where a little more than half of the people choose one option. You could also see a similar share in a sports record, a class poll, or a progress report.
To picture it quickly, imagine 21 equal pieces and shade 11: just one piece more than half would be shaded. So you can estimate it as a little over 50%, without worrying about the exact decimal.
One common mix-up is treating 11/21 as exactly one-half because 11 is close to half of 21. It is actually slightly more than half, since half of 21 is 10.5.