Vertically align numbers with Larger Number on top:
| 4 | 7 | |
| − | 2 | 6 |
Subtract using place value:
| Tens | Ones | |
|---|---|---|
| 47 | 4 | 7 |
| 26 | 2 | 6 |
| Difference | 2 | 1 |
Column traversal from right to left
Ones column:
Ones column:
- 7 − 6 = 1
Tens column:
- 4 − 2 = 2
| 4 | 7 | |
| − | 2 | 6 |
| 2 | 1 |
Therefore, the Difference between 47 and 26 is 21
Check computation by comparing Larger Number and the Sum of Smaller Number and Difference:
| 2 | 6 | |
| 2 | 1 | |
| 4 | 7 |
Sum of Smaller Number and Difference = 47
Sum of Smaller Number and Difference = Larger Number (47 = 47) ✓
