Vertically align numbers with Larger Number on top:
| 7 | |
| − | 3 |
Subtract using place value:
| Ones | |
|---|---|
| 7 | 7 |
| 3 | 3 |
| Difference | 4 |
Column traversal from right to left
Ones column:
Ones column:
- 7 − 3 = 4
| 7 | |
| − | 3 |
| 4 |
Therefore, the Difference between 7 and 3 is 4
Check computation by comparing Larger Number and the Sum of Difference and Smaller Number:
| 4 | |
| 3 | |
| 7 |
Sum of Difference and Smaller Number = 7
Sum of Difference and Smaller Number = Larger Number (7 = 7) ✓
