The fraction 42/75 is equal to 56.00% when converted to a percentage and rounded to two decimal places. This percentage represents how much of a whole the fraction represents. In other words, if you had 75 items and took 42 of them, you'd have 56% of the total.
When dealing with fractions and percentages, it's helpful to think of them as different ways of expressing the same thing. 42/75 and 56% both show a part-to-whole relationship. Whether you prefer fractions or percentages often depends on the context and what's easier to understand in a given situation. In many cases, percentages are more intuitive for quick comparisons or visualizing data.