Column Addition: 136 + 23
Addition with Regrouping Calculator
What is 136 + 23?
Answer
136 + 23 =
159
No regrouping: each column is added on its own
| 1 | 3 | 6 | |
| + | 2 | 3 | |
| 1 | 5 | 9 |
Column by column: 136 + 23
- Ones: 6 + 3 = 9 — write 9.
- Tens: 3 + 2 = 5 — write 5.
- Hundreds: nothing to add — write 1.
136 + 23 = 159
Second check: 159 − 136 = 23
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- Subtraction with Regrouping Calculator - Column subtraction step by step, with borrowing across zeros
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- Long Division Calculator - Step-by-step long division with detailed explanation
- Adding Fractions Calculator - Add fractions, mixed numbers and whole numbers step by step
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