In the fraction 7/12, which number is the numerator and what general role does it play?

The fraction bar — it acts as the numerator and separates values above and below it

Zero — because numerators can be zero and still represent the fraction, making zero the numerator in this case

12 — it is the numerator, the bottom number indicating the number of equal parts the whole has been divided into

7 — it is the numerator, the top number indicating how many parts of the whole are considered