# Decimal Number

## Decimal Number

Number in which the whole part is separated from the decimal part by a decimal point.

Decimal numbers are real numbers written in decimal notation.

### Examples

• The expression $$\frac{2}{3}$$ represents a real number where the whole part is 0 and the decimal part is 0.666 666 …
• The expression $$\frac{7}{4}$$ represents a real number where the whole part is 1 and the decimal part is 0.75.
• The expression $$\frac{7}{3}$$ represents a real number where the whole part is 2 and the decimal part is 0.333 333 …
• The expression $$\sqrt{5}$$ represents a real number where the whole part is 2 and the decimal part is 0.236 067 …