Subtraction with Regrouping: 991 − 389
Subtraction with Regrouping Calculator
What is 991 − 389?
Answer
991 − 389 =
602
With regrouping: 1 borrow — from the tens
| 8 | +10 | ||
| 9 | 1 (was 1, now 11) | ||
| − | 3 | 8 | 9 |
| 6 | 0 | 2 |
Column by column: 991 − 389
- Ones: 1 is less than 9 — borrow 1 ten: tens 9 → 8; 11 − 9 = 2 — write 2.
- Tens: after borrowing, 8; 8 − 8 = 0 — write 0.
- Hundreds: 9 − 3 = 6 — write 6.
991 − 389 = 602
Second check: 991 − 602 = 389
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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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Column subtractions of 389
| Example | Difference |
|---|---|
| 986 − 389 | 597 |
| 987 − 389 | 598 |
| 988 − 389 | 599 |
| 989 − 389 | 600 |
| 990 − 389 | 601 |
| 991 − 389 | 602 |
| 992 − 389 | 603 |
| 993 − 389 | 604 |
| 994 − 389 | 605 |
| 995 − 389 | 606 |
| 996 − 389 | 607 |