Subtraction with Regrouping: 421 − 45
Subtraction with Regrouping Calculator
What is 421 − 45?
Answer
421 − 45 =
376
With regrouping: 2 borrows — from the tens and the hundreds
| 3 | 11 | +10 | |
| 1 (was 1, now 11) | |||
| − | 4 | 5 | |
| 3 | 7 | 6 |
Column by column: 421 − 45
- Ones: 1 is less than 5 — borrow 1 ten: tens 2 → 1; 11 − 5 = 6 — write 6.
- Tens: after borrowing, 1; 1 is less than 4 — borrow 1 hundred: hundreds 4 → 3; 11 − 4 = 7 — write 7.
- Hundreds: after borrowing, 3; nothing to subtract — write 3.
421 − 45 = 376
Second check: 421 − 376 = 45
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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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