Subtraction with Regrouping: 721 − 268
Subtraction with Regrouping Calculator
What is 721 − 268?
Answer
721 − 268 =
453
With regrouping: 2 borrows — from the tens and the hundreds
| 6 | 11 | +10 | |
| 1 (was 1, now 11) | |||
| − | 2 | 6 | 8 |
| 4 | 5 | 3 |
Column by column: 721 − 268
- Ones: 1 is less than 8 — borrow 1 ten: tens 2 → 1; 11 − 8 = 3 — write 3.
- Tens: after borrowing, 1; 1 is less than 6 — borrow 1 hundred: hundreds 7 → 6; 11 − 6 = 5 — write 5.
- Hundreds: after borrowing, 6; 6 − 2 = 4 — write 4.
721 − 268 = 453
Second check: 721 − 453 = 268
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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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