# Fractional Expression

## Fractional Expression

Algebraic or numerical expression written as a ratio of two quantities.

### Examples

These four expressions are fractional expressions :

$$\frac{x + y}{3}$$ , $$\frac{x + y}{z}$$ , $$\frac{8 + 7}{11}$$ , $$\frac{21}{5}$$

### Educational note

Writing fractional expressions is a way of representing a ratio between two quantities. Fractions are generally represented by fractional expressions. However, not all fractional expressions are fractions, since fractions are part-to-whole ratios.