# Subtraction of Natural Numbers

**a - b = c **

The terms involved in a** subtraction** are called:** the minuend, a,** and** the subtrahend, b**. The result, **c**, is called** the difference**.

### Properties of the Subtraction of Natural Numbers

1. **No closure**:

The result of** subtracting two natural numbers** is not always another** natural number**.

2 − 5

**2. No commutative:**

5 − 2 ≠ 2 − 5

Subject

Site