Subtraction with Regrouping: 538 − 149
Subtraction with Regrouping Calculator
What is 538 − 149?
Answer
538 − 149 =
389
With regrouping: 2 borrows — from the tens and the hundreds
| 4 | 12 | +10 | |
| 8 (was 8, now 18) | |||
| − | 1 | 4 | 9 |
| 3 | 8 | 9 |
Column by column: 538 − 149
- Ones: 8 is less than 9 — borrow 1 ten: tens 3 → 2; 18 − 9 = 9 — write 9.
- Tens: after borrowing, 2; 2 is less than 4 — borrow 1 hundred: hundreds 5 → 4; 12 − 4 = 8 — write 8.
- Hundreds: after borrowing, 4; 4 − 1 = 3 — write 3.
538 − 149 = 389
Second check: 538 − 389 = 149
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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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