Column Addition: 402 + 52
Addition with Regrouping Calculator
What is 402 + 52?
Answer
402 + 52 =
454
No regrouping: each column is added on its own
| 4 | 0 | 2 | |
| + | 5 | 2 | |
| 4 | 5 | 4 |
Column by column: 402 + 52
- Ones: 2 + 2 = 4 — write 4.
- Tens: 0 + 5 = 5 — write 5.
- Hundreds: nothing to add — write 4.
402 + 52 = 454
Second check: 454 − 402 = 52
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