Subtraction with Regrouping: 84 − 15
Subtraction with Regrouping Calculator
What is 84 − 15?
Answer
84 − 15 =
69
With regrouping: 1 borrow — from the tens
| 7 | +10 | |
| 4 (was 4, now 14) | ||
| − | 1 | 5 |
| 6 | 9 |
Column by column: 84 − 15
- Ones: 4 is less than 5 — borrow 1 ten: tens 8 → 7; 14 − 5 = 9 — write 9.
- Tens: after borrowing, 7; 7 − 1 = 6 — write 6.
84 − 15 = 69
Second check: 84 − 69 = 15
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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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