Subtraction with Regrouping: 359 − 172
Subtraction with Regrouping Calculator
What is 359 − 172?
Answer
359 − 172 =
187
With regrouping: 1 borrow — from the hundreds
| 2 | +10 | ||
| 5 (was 5, now 15) | 9 | ||
| − | 1 | 7 | 2 |
| 1 | 8 | 7 |
Column by column: 359 − 172
- Ones: 9 − 2 = 7 — write 7.
- Tens: 5 is less than 7 — borrow 1 hundred: hundreds 3 → 2; 15 − 7 = 8 — write 8.
- Hundreds: after borrowing, 2; 2 − 1 = 1 — write 1.
359 − 172 = 187
Second check: 359 − 187 = 172
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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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