Addition with Regrouping: 251 + 149
Addition with Regrouping Calculator
What is 251 + 149?
Answer
251 + 149 =
400
With regrouping: 2 carries — into the tens and the hundreds
| 1carry | 1carry | ||
| 2 | 5 | 1 | |
| + | 1 | 4 | 9 |
| 4 | 0 | 0 |
Column by column: 251 + 149
- Ones: 1 + 9 = 10 — write 0, carry 1.
- Tens: 5 + 4 + 1 = 10 — write 0, carry 1.
- Hundreds: 2 + 1 + 1 = 4 — write 4.
251 + 149 = 400
Second check: 400 − 251 = 149
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- Subtraction with Regrouping Calculator - Column subtraction step by step, with borrowing across zeros
- Long Multiplication Calculator - Column multiplication with partial products, step by step
- 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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