Long division calculator
Calculator
The calculator needs JavaScript. The tables below give the same numbers for common cases.
How it is worked out
- How many times does 12 go into 1234? 102 times (102 × 12 = 1224).
- Remainder: 1234 − 1224 = 10.
- Check: 102 × 12 + 10 = 1234.
| Inputs | Answer |
|---|---|
| Dividend: 1234; Divisor: 12 | 1,234 ÷ 12 = 102 remainder 10. |
| Dividend: 100; Divisor: 7 | 100 ÷ 7 = 14 remainder 2. |
| Dividend: 45; Divisor: 9 | 45 ÷ 9 = 5. |
How to use it
Long division finds how many times the divisor goes into the dividend: the whole number of times is the quotient and what is left over is the remainder. 1,234 ÷ 12 = 102 remainder 10, because 102 × 12 + 10 = 1,234.
The calculator also gives the decimal result and the answer as a mixed number.
Frequently asked questions
What is 1,234 divided by 12?
102 remainder 10, or 102.8333… as a decimal.
How do I check a division?
Multiply the quotient by the divisor and add the remainder: it must equal the dividend.
What is the remainder?
What is left over when the divisor no longer fits.
Method: standard arithmetic shown step by step; no outside data is used. Checked 2026-11-12.
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General information only. Results are plain arithmetic on the numbers you enter; check anything important (money, health, school work) against your own records or the official source.