Vertically align numbers with Larger Number on top:
| 1 | 7 | 7 | 1 | |
| − | 6 |
Subtract using place value:
| Thousands | Hundreds | Tens | Ones | |
|---|---|---|---|---|
| 6 | 11 | |||
| 1,771 | 1 | 7 | 7 | 1 |
| 6 | 6 | |||
| Difference | 1 | 7 | 6 | 5 |
Column traversal from right to left
Ones column:
Ones column:
- Since 1 is less than 6, we have to borrow 1 from the Tens column
- As a result, 1 becomes 11, and 11 − 6 = 5
- The 7 in the Tens column becomes 6
Tens column:
- 6 − 0 = 6
Hundreds column:
- 7 − 0 = 7
Thousands column:
- 1 − 0 = 1
| 6 | 11 | |||
| 1 | 7 | 7 | 1 | |
| − | 6 | |||
| 1 | 7 | 6 | 5 |
Therefore, the Difference between 1,771 and 6 is 1,765
Check computation by comparing Larger Number and the Sum of Difference and Smaller Number:
| 1 | ||||
| 1 | 7 | 6 | 5 | |
| 6 | ||||
| 1 | 7 | 7 | 1 |
Sum of Difference and Smaller Number = 1,771
Sum of Difference and Smaller Number = Larger Number (1,771 = 1,771) ✓
