numerator

Note that the plunging ratio tells us nothing about the U.S. economy, since the economy affects both the numerator and the denominator of the ratio and therefore has no net effect on its level.

But you have so many numerators in this case that need to be overhauled, need to be fixed.

Accurate counts of gun-violence events — the numerators needed to calculate those rates — are hard to come by, too.

We know they are going to add watch time to the denominator, but we have to increase the numerator as well.

All of these expressions, but especially 0/0, could take on any value you desire them to have, depending on the functions you put in the numerator and denominator.