Subtraction with Regrouping: 137 − 39
Subtraction with Regrouping Calculator
What is 137 − 39?
Answer
137 − 39 =
98
With regrouping: 2 borrows — from the tens and the hundreds
| 0 | 12 | +10 | |
| 7 (was 7, now 17) | |||
| − | 3 | 9 | |
| 9 | 8 |
Column by column: 137 − 39
- Ones: 7 is less than 9 — borrow 1 ten: tens 3 → 2; 17 − 9 = 8 — write 8.
- Tens: after borrowing, 2; 2 is less than 3 — borrow 1 hundred: hundreds 1 → 0; 12 − 3 = 9 — write 9.
- Hundreds: after borrowing, 0 — a leading zero is not written.
137 − 39 = 98
Second check: 137 − 98 = 39
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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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