The fraction 78/90 is equal to 86.67% when converted to a percentage. This percentage is rounded to the nearest two decimal places. It's a pretty high percentage, showing that 78 is close to 90 in value.
To put this into perspective, if you had a test with 90 questions and got 78 correct, you'd score 86.67%. That's a solid B+ grade in most schools. This fraction and percentage could also be useful in other real-world situations, like measuring progress on a project or calculating discounts on sale items.