What is the fraction of what? How to calculate?

What is the fraction of what? How to calculate?

For example, what fraction of 25 is 5?
Divide 5 by 25 to get one fifth

What's the percentage?
It's like three thirds of two. How to calculate

First divide, then add,
General score is: the least common multiple of denominator, for example, if your denominator is 2 and 3, then the least common multiple of 2 and 3 is 6, and then it becomes 9 / 6 + 6 / 6, that is 9 / 6 + 1 = 1 and 9 / 6
That's it.

What's the percentage

This is simple. Let's take an example: 1 / 2 / 3 (one third and one half). Just look at the semicolon as a division sign, that is, 1 / 2 / 3