21/42 as a percentage is 50.00%. This means the fraction represents exactly half of a whole when expressed in percent form.
The fraction 21/42 can be simplified by dividing both the numerator and the denominator by 21, which gives 1/2. Seeing it as one half makes it easy to understand that it is 50 percent of any total.
In everyday situations, saying something is 50.00% helps people quickly see that it is an even split. The rounded figure to two decimal places keeps the number clear and precise, especially when comparing with other percentages.
