Subtraction with Regrouping: 317 − 78
Subtraction with Regrouping Calculator
What is 317 − 78?
Answer
317 − 78 =
239
With regrouping: 2 borrows — from the tens and the hundreds
| 2 | 10 | +10 | |
| 7 (was 7, now 17) | |||
| − | 7 | 8 | |
| 2 | 3 | 9 |
Column by column: 317 − 78
- Ones: 7 is less than 8 — borrow 1 ten: tens 1 → 0; 17 − 8 = 9 — write 9.
- Tens: after borrowing, 0; 0 is less than 7 — borrow 1 hundred: hundreds 3 → 2; 10 − 7 = 3 — write 3.
- Hundreds: after borrowing, 2; nothing to subtract — write 2.
317 − 78 = 239
Second check: 317 − 239 = 78
Similar examples to practise
Found an error in the calculation or the information?
Related Calculations
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
Share This Calculation
Print
<a href="https://calculat.io/en/number/long-subtraction/317--78">317 − 78 = 239 - Subtraction with Regrouping - Calculatio</a>Facebook
Twitter
Telegram
WhatsApp
Viber
Email
