Addition with Regrouping: 187 + 128
Addition with Regrouping Calculator
What is 187 + 128?
Answer
187 + 128 =
315
With regrouping: 2 carries — into the tens and the hundreds
| 1carry | 1carry | ||
| 1 | 8 | 7 | |
| + | 1 | 2 | 8 |
| 3 | 1 | 5 |
Column by column: 187 + 128
- Ones: 7 + 8 = 15 — write 5, carry 1.
- Tens: 8 + 2 + 1 = 11 — write 1, carry 1.
- Hundreds: 1 + 1 + 1 = 3 — write 3.
187 + 128 = 315
Second check: 315 − 187 = 128
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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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