Subtraction with Regrouping: 310 − 71
Subtraction with Regrouping Calculator
What is 310 − 71?
Answer
310 − 71 =
239
With regrouping: 2 borrows — from the tens and the hundreds
| 2 | 10 | +10 | |
| 0 (was 0, now 10) | |||
| − | 7 | 1 | |
| 2 | 3 | 9 |
Column by column: 310 − 71
- Ones: 0 is less than 1 — borrow 1 ten: tens 1 → 0; 10 − 1 = 9 — write 9.
- Tens: after borrowing, 0; 0 is less than 7 — borrow 1 hundred: hundreds 3 → 2; 10 − 7 = 3 — write 3.
- Hundreds: after borrowing, 2; nothing to subtract — write 2.
310 − 71 = 239
Second check: 310 − 239 = 71
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- 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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