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) ✓