Representation of a number or an operation on numbers, or an algebraic expression in the form of a division or a quotient of two numbers, numerical expressions, or algebraic expressions.

### Notation

Fractional notation uses the horizontal bar to separate the two arguments of the expression.

### Examples

These expressions are all written in fractional notation:

\(\dfrac{9}{7}\), \(\dfrac{a}{b},\space \dfrac{12 + 7}{5}, \space \dfrac{\sqrt{b^2−4ac}}{2a}, \space \dfrac{x^2+5x−12}{x-4}\)