Subtraction with Regrouping: 791 − 389
Subtraction with Regrouping Calculator
What is 791 − 389?
Answer
791 − 389 =
402
With regrouping: 1 borrow — from the tens
| 8 | +10 | ||
| 7 | 1 (was 1, now 11) | ||
| − | 3 | 8 | 9 |
| 4 | 0 | 2 |
Column by column: 791 − 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: 7 − 3 = 4 — write 4.
791 − 389 = 402
Second check: 791 − 402 = 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 |
|---|---|
| 786 − 389 | 397 |
| 787 − 389 | 398 |
| 788 − 389 | 399 |
| 789 − 389 | 400 |
| 790 − 389 | 401 |
| 791 − 389 | 402 |
| 792 − 389 | 403 |
| 793 − 389 | 404 |
| 794 − 389 | 405 |
| 795 − 389 | 406 |
| 796 − 389 | 407 |