Subtraction with Regrouping: 512 − 187
Subtraction with Regrouping Calculator
What is 512 − 187?
Answer
512 − 187 =
325
With regrouping: 2 borrows — from the tens and the hundreds
| 4 | 10 | +10 | |
| 2 (was 2, now 12) | |||
| − | 1 | 8 | 7 |
| 3 | 2 | 5 |
Column by column: 512 − 187
- Ones: 2 is less than 7 — borrow 1 ten: tens 1 → 0; 12 − 7 = 5 — write 5.
- Tens: after borrowing, 0; 0 is less than 8 — borrow 1 hundred: hundreds 5 → 4; 10 − 8 = 2 — write 2.
- Hundreds: after borrowing, 4; 4 − 1 = 3 — write 3.
512 − 187 = 325
Second check: 512 − 325 = 187
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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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