Final answer:
To express 21% as a fraction, you can write it as 21/100.
Step-by-step explanation:
To express 21% as a fraction, we first need to understand what percent means. Percent means 'per hundred', so 21% can be written as 21 per hundred. In fraction form, that would be 21/100. To simplify this fraction, we can divide both the numerator and the denominator by their greatest common divisor, which is 1. Therefore, the simplified fraction form of 21% is 21/100.
Learn more about Converting percent to fraction