The fraction 9/21 is equal to 42.86% when converted to a percentage. This means that if you had 21 items and took 9 of them, you'd have about 43% of the total. It's a bit less than half, which would be 50%.
In everyday life, you might see this fraction or percentage used in various situations. For example, if 9 out of 21 students in a class wore glasses, you could say that 42.86% of the class wears glasses. Or if a recipe calls for 9/21 of a cup of flour, you'd be using close to 43% of a full cup. Understanding these equivalents can be helpful in math, cooking, or any situation where you need to compare parts to a whole.
