Subtraction with Regrouping: 668 − 149
Subtraction with Regrouping Calculator
What is 668 − 149?
Answer
668 − 149 =
519
With regrouping: 1 borrow — from the tens
| 5 | +10 | ||
| 6 | 8 (was 8, now 18) | ||
| − | 1 | 4 | 9 |
| 5 | 1 | 9 |
Column by column: 668 − 149
- Ones: 8 is less than 9 — borrow 1 ten: tens 6 → 5; 18 − 9 = 9 — write 9.
- Tens: after borrowing, 5; 5 − 4 = 1 — write 1.
- Hundreds: 6 − 1 = 5 — write 5.
668 − 149 = 519
Second check: 668 − 519 = 149
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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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