Subtraction with Regrouping: 128 − 63
Subtraction with Regrouping Calculator
What is 128 − 63?
Answer
128 − 63 =
65
With regrouping: 1 borrow — from the hundreds
| 0 | +10 | ||
| 2 (was 2, now 12) | 8 | ||
| − | 6 | 3 | |
| 6 | 5 |
Column by column: 128 − 63
- Ones: 8 − 3 = 5 — write 5.
- Tens: 2 is less than 6 — borrow 1 hundred: hundreds 1 → 0; 12 − 6 = 6 — write 6.
- Hundreds: after borrowing, 0 — a leading zero is not written.
128 − 63 = 65
Second check: 128 − 65 = 63
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See Also
- 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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