Vertically align numbers with Larger Number on top:
| 4 | 6 | 8 | |
| − | 3 | 4 | 2 |
Subtract using place value:
| Hundreds | Tens | Ones | |
|---|---|---|---|
| 468 | 4 | 6 | 8 |
| 342 | 3 | 4 | 2 |
| Difference | 1 | 2 | 6 |
Column traversal from right to left
Ones column:
Ones column:
- 8 − 2 = 6
Tens column:
- 6 − 4 = 2
Hundreds column:
- 4 − 3 = 1
| 4 | 6 | 8 | |
| − | 3 | 4 | 2 |
| 1 | 2 | 6 |
Therefore, the Difference between 468 and 342 is 126
Check computation by comparing Larger Number and the Sum of Smaller Number and Difference:
| 3 | 4 | 2 | |
| 1 | 2 | 6 | |
| 4 | 6 | 8 |
Sum of Smaller Number and Difference = 468
Sum of Smaller Number and Difference = Larger Number (468 = 468) ✓
