Vertically align numbers with Larger Number on top:
| 7 | |
| − | 2 |
Subtract using place value:
| Ones | |
|---|---|
| 7 | 7 |
| 2 | 2 |
| Difference | 5 |
Column traversal from right to left
Ones column:
Ones column:
- 7 − 2 = 5
| 7 | |
| − | 2 |
| 5 |
Therefore, the Difference between 7 and 2 is 5
Check computation by comparing Larger Number and the Sum of Difference and Smaller Number:
| 5 | |
| 2 | |
| 7 |
Sum of Difference and Smaller Number = 7
Sum of Difference and Smaller Number = Larger Number (7 = 7) ✓
