Subtraction with Regrouping: 555 − 128
Subtraction with Regrouping Calculator
What is 555 − 128?
Answer
555 − 128 =
427
With regrouping: 1 borrow — from the tens
| 4 | +10 | ||
| 5 | 5 (was 5, now 15) | ||
| − | 1 | 2 | 8 |
| 4 | 2 | 7 |
Column by column: 555 − 128
- Ones: 5 is less than 8 — borrow 1 ten: tens 5 → 4; 15 − 8 = 7 — write 7.
- Tens: after borrowing, 4; 4 − 2 = 2 — write 2.
- Hundreds: 5 − 1 = 4 — write 4.
555 − 128 = 427
Second check: 555 − 427 = 128
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- Addition with Regrouping Calculator - Column addition step by step, with every carry
- Long Division Calculator - Step-by-step long division with detailed explanation
- Long Multiplication Calculator - Column multiplication with partial products, step by step
- Subtracting Fractions Calculator - Subtract fractions, mixed numbers and whole numbers step by step
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