Column Addition: 402 + 63
Addition with Regrouping Calculator
What is 402 + 63?
Answer
402 + 63 =
465
No regrouping: each column is added on its own
| 4 | 0 | 2 | |
| + | 6 | 3 | |
| 4 | 6 | 5 |
Column by column: 402 + 63
- Ones: 2 + 3 = 5 — write 5.
- Tens: 0 + 6 = 6 — write 6.
- Hundreds: nothing to add — write 4.
402 + 63 = 465
Second check: 465 − 402 = 63
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