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