Algebraic expression that can be expressed as a quotient of two polynomial expressions.

### Examples

These two expressions are rational expressions :

- \(12 + 5{y}^{2}\)
- \(\dfrac{3{a}^{2}}{b + 3}\)

Algebraic expression that can be expressed as a quotient of two polynomial expressions.

These two expressions are rational expressions :

- \(12 + 5{y}^{2}\)
- \(\dfrac{3{a}^{2}}{b + 3}\)