Column Addition: 647 + 41
Addition with Regrouping Calculator
What is 647 + 41?
Answer
647 + 41 =
688
No regrouping: each column is added on its own
| 6 | 4 | 7 | |
| + | 4 | 1 | |
| 6 | 8 | 8 |
Column by column: 647 + 41
- Ones: 7 + 1 = 8 — write 8.
- Tens: 4 + 4 = 8 — write 8.
- Hundreds: nothing to add — write 6.
647 + 41 = 688
Second check: 688 − 647 = 41
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