What is 6/21 as a percentage? It is 28.57%.
The fraction 6/21 can be reduced to 2/7, which is a simple way to see how often something happens out of a small group. For example, if you have 21 pieces of candy and you give 6 to a friend, you have given away about a quarter of the total.
When you use the percentage 28.57%, it’s easy to compare this part to other percentages, like 25% or 30%. The number is rounded to two decimal places, so it’s clear and tidy for reports, charts, or everyday conversation.