It is the solidus line that separates the numerator from the denominator in a fraction.
A benchmark fraction is the bar line in the middle of the fraction. :)
-- First, find the line in the middle of the fraction. -- Then look under the line. The number you find down there is the denominator.
the vinculum
The line between the numerator and the denominator of a fraction is the the solidus line
It means the numerator is being divided by the denominator.
The equator.
It's called a vinculum.
The solidus
divider
3 point line
half way line
There are three parts to a fraction, there is the numerator (the top number), the denominator (the bottom number) and the vinculum (the line in the middle which means 'divide by'-