18/42 = ≈42.86%
Rounded to 2 decimal places.
A value like 18/42 can show up when 18 of 42 people in a survey choose the same answer, or when 18 of 42 items in a shipment are marked for a certain category. In those situations, it represents a little less than half of the total, or 42.86%.
To picture 18/42 quickly, imagine splitting 42 objects into two nearly equal groups of 21. Since 18 is three less than 21, the fraction is just under one-half, making an estimate of about 43% reasonable.
A common mistake is to think the fraction means 42 out of 18 instead of 18 out of 42, which would be a much larger value. It is also easy to treat 42.86% as exact, even though it is a rounded form of the fraction.