Addition with Regrouping: 307 + 105
Addition with Regrouping Calculator
What is 307 + 105?
Answer
307 + 105 =
412
With regrouping: 1 carry — into the tens
| 1carry | |||
| 3 | 0 | 7 | |
| + | 1 | 0 | 5 |
| 4 | 1 | 2 |
Column by column: 307 + 105
- Ones: 7 + 5 = 12 — write 2, carry 1.
- Tens: 0 + 0 + 1 = 1 — write 1.
- Hundreds: 3 + 1 = 4 — write 4.
307 + 105 = 412
Second check: 412 − 307 = 105
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