Column Subtraction: 189 − 17
Subtraction with Regrouping Calculator
What is 189 − 17?
Answer
189 − 17 =
172
No regrouping: each column is subtracted on its own
| 1 | 8 | 9 | |
| − | 1 | 7 | |
| 1 | 7 | 2 |
Column by column: 189 − 17
- Ones: 9 − 7 = 2 — write 2.
- Tens: 8 − 1 = 7 — write 7.
- Hundreds: nothing to subtract — write 1.
189 − 17 = 172
Second check: 189 − 172 = 17
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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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