# Fractional Notation

## Fractional Notation

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:

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