Subtraction with Regrouping: 115 − 17
Subtraction with Regrouping Calculator
What is 115 − 17?
Answer
115 − 17 =
98
With regrouping: 2 borrows — from the tens and the hundreds
| 0 | 10 | +10 | |
| 5 (was 5, now 15) | |||
| − | 1 | 7 | |
| 9 | 8 |
Column by column: 115 − 17
- Ones: 5 is less than 7 — borrow 1 ten: tens 1 → 0; 15 − 7 = 8 — write 8.
- Tens: after borrowing, 0; 0 is less than 1 — borrow 1 hundred: hundreds 1 → 0; 10 − 1 = 9 — write 9.
- Hundreds: after borrowing, 0 — a leading zero is not written.
115 − 17 = 98
Second check: 115 − 98 = 17
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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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