# Negative Numbers

- Numbers that are less than zero are negative numbers. Usefulness suggested by Raffael Bombelli in 1572.
- Addition of a negative is equivalent to subtracting a positive.
- For example;
- Subtraction of a negative is equivalent to adding a positive.
- For example;
- A positive multiplied by a negative creates a negative.
- For example;
- A negative multiplied by a negative creates a positive.
- For example;
- A positive divided by a negative (or a negative divided by a positive) creates a negative.
- For example;
- A negative divided by a negative creates a positive.
- For example;

**See also: **Addition, Division, Multiplication, Negative, Positive Number.

**Subjects: ** Mathematics