The fraction 12/38 is equal to 31.58% when converted to a percentage and rounded to the nearest two decimal places. This means that if you had 38 items and selected 12 of them, you'd be choosing about 31.58% of the total. It's a bit less than one-third, which would be 33.33%.
In everyday situations, you might come across this fraction or percentage in various contexts. For example, if 12 out of 38 students in a class wore glasses, you could say that 31.58% of the class wears glasses. Or if 12 out of 38 days in a month were rainy, you'd have rain on 31.58% of the days. This percentage gives us a quick way to understand the proportion of something in relation to the whole.