Addition with Regrouping: 647 + 74
Addition with Regrouping Calculator
What is 647 + 74?
Answer
647 + 74 =
721
With regrouping: 2 carries — into the tens and the hundreds
| 1carry | 1carry | ||
| 6 | 4 | 7 | |
| + | 7 | 4 | |
| 7 | 2 | 1 |
Column by column: 647 + 74
- Ones: 7 + 4 = 11 — write 1, carry 1.
- Tens: 4 + 7 + 1 = 12 — write 2, carry 1.
- Hundreds: 6 + 1 = 7 — write 7.
647 + 74 = 721
Second check: 721 − 647 = 74
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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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