Vertically align numbers with Larger Number on top:
| 8 | 7 | |
| − | 5 | 3 |
Subtract using place value:
| Tens | Ones | |
|---|---|---|
| 87 | 8 | 7 |
| 53 | 5 | 3 |
| Difference | 3 | 4 |
Column traversal from right to left
Ones column:
Ones column:
- 7 − 3 = 4
Tens column:
- 8 − 5 = 3
| 8 | 7 | |
| − | 5 | 3 |
| 3 | 4 |
Therefore, the Difference between 87 and 53 is 34
Check computation by comparing Larger Number and the Sum of Smaller Number and Difference:
| 5 | 3 | |
| 3 | 4 | |
| 8 | 7 |
Sum of Smaller Number and Difference = 87
Sum of Smaller Number and Difference = Larger Number (87 = 87) ✓
