42/84 as a percentage is 50.00%. This fraction reduces to one half, which is exactly half of a whole. When you express that half in terms of a percent, you get fifty percent, shown here with two decimal places.
The fraction 42/84 is simple to understand because both numbers are even and share a common factor. Dividing both the numerator and denominator by 42 gives the simpler fraction 1/2, which is a familiar value in everyday situations like splitting a pizza or sharing a bill.
In practical terms, a 50.00% result means that the part you have is equal to half of the total amount. Whether you're looking at grades, discounts, or data, seeing 50.00% tells you that exactly half is being considered.
