Vertically align numbers with Larger Number on top:
| 9 | 9 | 7 | 8 | 9 | 7 | 9 | 8 | |
| − | 2 | 5 | 2 | 4 | 1 | 3 | 2 | 6 |
Subtract using place value:
| Ten Millions | Millions | Hundred Thousands | Ten Thousands | Thousands | Hundreds | Tens | Ones | |
|---|---|---|---|---|---|---|---|---|
| 99,789,798 | 9 | 9 | 7 | 8 | 9 | 7 | 9 | 8 |
| 25,241,326 | 2 | 5 | 2 | 4 | 1 | 3 | 2 | 6 |
| Difference | 7 | 4 | 5 | 4 | 8 | 4 | 7 | 2 |
Column traversal from right to left
Ones column:
Ones column:
- 8 − 6 = 2
Tens column:
- 9 − 2 = 7
Hundreds column:
- 7 − 3 = 4
Thousands column:
- 9 − 1 = 8
Ten Thousands column:
- 8 − 4 = 4
Hundred Thousands column:
- 7 − 2 = 5
Millions column:
- 9 − 5 = 4
Ten Millions column:
- 9 − 2 = 7
| 9 | 9 | 7 | 8 | 9 | 7 | 9 | 8 | |
| − | 2 | 5 | 2 | 4 | 1 | 3 | 2 | 6 |
| 7 | 4 | 5 | 4 | 8 | 4 | 7 | 2 |
Therefore, the Difference between 99,789,798 and 25,241,326 is 74,548,472
Check computation by comparing Larger Number and the Sum of Difference and Smaller Number:
| 7 | 4 | 5 | 4 | 8 | 4 | 7 | 2 | |
| 2 | 5 | 2 | 4 | 1 | 3 | 2 | 6 | |
| 9 | 9 | 7 | 8 | 9 | 7 | 9 | 8 |
Sum of Difference and Smaller Number = 99,789,798
Sum of Difference and Smaller Number = Larger Number (99,789,798 = 99,789,798) ✓
