Subtraction with Regrouping: 128 − 54
Subtraction with Regrouping Calculator
What is 128 − 54?
Answer
128 − 54 =
74
With regrouping: 1 borrow — from the hundreds
| 0 | +10 | ||
| 2 (was 2, now 12) | 8 | ||
| − | 5 | 4 | |
| 7 | 4 |
Column by column: 128 − 54
- Ones: 8 − 4 = 4 — write 4.
- Tens: 2 is less than 5 — borrow 1 hundred: hundreds 1 → 0; 12 − 5 = 7 — write 7.
- Hundreds: after borrowing, 0 — a leading zero is not written.
128 − 54 = 74
Second check: 128 − 74 = 54
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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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