Column Addition: 203 + 63
Addition with Regrouping Calculator
What is 203 + 63?
Answer
203 + 63 =
266
No regrouping: each column is added on its own
| 2 | 0 | 3 | |
| + | 6 | 3 | |
| 2 | 6 | 6 |
Column by column: 203 + 63
- Ones: 3 + 3 = 6 — write 6.
- Tens: 0 + 6 = 6 — write 6.
- Hundreds: nothing to add — write 2.
203 + 63 = 266
Second check: 266 − 203 = 63
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