"The numerator and denominator are known as the fraction bar.”
An improper fraction is a fraction in which the numerator is greater than or equal to the denominator.
An improper Fraction
In a fraction the denominator is on the bottom and the numerator on the top.
If you mean the fraction of: 5/7 then the numerator is 5 and the denominator is 7
It is the solidus line that separates the numerator from the denominator in a fraction.
numerator and the bottom one is the denominator
There is no specific name for such an object.