Vertically align numbers with Larger Number on top:
| 5 | |
| − | 1 |
Subtract using place value:
| Ones | |
|---|---|
| 5 | 5 |
| 1 | 1 |
| Difference | 4 |
Column traversal from right to left
Ones column:
Ones column:
- 5 − 1 = 4
| 5 | |
| − | 1 |
| 4 |
Therefore, the Difference between 5 and 1 is 4
Check computation by comparing Larger Number and the Sum of Difference and Smaller Number:
| 4 | |
| 1 | |
| 5 |
Sum of Difference and Smaller Number = 5
Sum of Difference and Smaller Number = Larger Number (5 = 5) ✓
