Subtraction with Regrouping: 115 − 23
Subtraction with Regrouping Calculator
What is 115 − 23?
Answer
115 − 23 =
92
With regrouping: 1 borrow — from the hundreds
| 0 | +10 | ||
| 1 (was 1, now 11) | 5 | ||
| − | 2 | 3 | |
| 9 | 2 |
Column by column: 115 − 23
- Ones: 5 − 3 = 2 — write 2.
- Tens: 1 is less than 2 — borrow 1 hundred: hundreds 1 → 0; 11 − 2 = 9 — write 9.
- Hundreds: after borrowing, 0 — a leading zero is not written.
115 − 23 = 92
Second check: 115 − 92 = 23
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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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