The fraction 18/40 is equal to 45.00% when converted to a percentage and rounded to two decimal places. This means that 18 out of 40 parts represent just under half of the total. It's a common fraction that comes up in various everyday situations, from test scores to recipe measurements.
In practical terms, 45% is close to half of something. If you're looking at a glass that's 18/40 full, it would be a little less than half full. This fraction and percentage are useful for quick estimations in daily life, helping you gauge amounts or proportions without needing exact calculations.