2/21 = ≈9.52%
Rounded to 2 decimal places.
A fraction like 2/21, or about 9.52%, can show up when a small group is part of a larger one. For example, if 2 out of 21 students choose the same project topic, that choice represents roughly one-tenth of the class.
To picture 2/21 quickly, think of a whole divided into 21 equal pieces with only 2 shaded. It is a little less than 10%, so imagining one shaded piece for every ten pieces gives a useful estimate.
A common mistake is to round 2/21 to 10% and then treat it as exact. The rounded value is close for a quick estimate, but 2/21 is slightly smaller than 10%.