Subtraction with Regrouping: 411 − 172
Subtraction with Regrouping Calculator
What is 411 − 172?
Answer
411 − 172 =
239
With regrouping: 2 borrows — from the tens and the hundreds
| 3 | 10 | +10 | |
| 1 (was 1, now 11) | |||
| − | 1 | 7 | 2 |
| 2 | 3 | 9 |
Column by column: 411 − 172
- Ones: 1 is less than 2 — borrow 1 ten: tens 1 → 0; 11 − 2 = 9 — write 9.
- Tens: after borrowing, 0; 0 is less than 7 — borrow 1 hundred: hundreds 4 → 3; 10 − 7 = 3 — write 3.
- Hundreds: after borrowing, 3; 3 − 1 = 2 — write 2.
411 − 172 = 239
Second check: 411 − 239 = 172
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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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