Subtraction with Regrouping: 243 − 71
Subtraction with Regrouping Calculator
What is 243 − 71?
Answer
243 − 71 =
172
With regrouping: 1 borrow — from the hundreds
| 1 | +10 | ||
| 4 (was 4, now 14) | 3 | ||
| − | 7 | 1 | |
| 1 | 7 | 2 |
Column by column: 243 − 71
- Ones: 3 − 1 = 2 — write 2.
- Tens: 4 is less than 7 — borrow 1 hundred: hundreds 2 → 1; 14 − 7 = 7 — write 7.
- Hundreds: after borrowing, 1; nothing to subtract — write 1.
243 − 71 = 172
Second check: 243 − 172 = 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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