What is 9/18 as a percentage? It is 50.00% when rounded to two decimal places. This makes the fraction easy to understand at a glance.
The fraction 9/18 can be simplified by dividing both the numerator and the denominator by 9, giving 1/2. Half of anything is always 50 %, so the percentage matches the simplified fraction perfectly.
Knowing that 9/18 equals 50 % is useful in everyday situations, like splitting a bill or sharing a task. When you see 9 parts out of 18, you can quickly think “that’s exactly half.”