Subtraction with Regrouping: 664 − 128
Subtraction with Regrouping Calculator
What is 664 − 128?
Answer
664 − 128 =
536
With regrouping: 1 borrow — from the tens
| 5 | +10 | ||
| 6 | 4 (was 4, now 14) | ||
| − | 1 | 2 | 8 |
| 5 | 3 | 6 |
Column by column: 664 − 128
- Ones: 4 is less than 8 — borrow 1 ten: tens 6 → 5; 14 − 8 = 6 — write 6.
- Tens: after borrowing, 5; 5 − 2 = 3 — write 3.
- Hundreds: 6 − 1 = 5 — write 5.
664 − 128 = 536
Second check: 664 − 536 = 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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