12/31 as a decimal
12/31 as a decimal is 0.387096774193548… (the digits 387096774193548 repeat forever), which is 0.39 rounded to 2 decimal places.
Change either number to try your own. The digits 387096774193548 repeat. Rounded to 2 places: 0.39. In lowest terms: 12/31.
See the full steps for these numbersHow to work it out
- 1
A fraction is a division. Divide the top number 12 by the bottom number 31.
- 2
31 does not go into 12 even once, so the whole part is 0 and we carry on after the decimal point.
- 3
Long division: bring down a zero each time (multiply the remainder by 10), divide by 31, and write the digit. A remainder comes back after 15 steps, so the digits 387096774193548 repeat forever.
- 4
The result is
LaTeX source of the formulas on this page
\[ \frac{12}{31} = 0.\overline{387096774193548} \]
\[ \frac{12}{31} = 12 \div 31 \]Long division of 12 by 31
| Step | Remainder × 10 | Divide by 31 | Remainder left |
|---|---|---|---|
| 1 | 120 | 120 ÷ 31 = 3 | 27 |
| 2 | 270 | 270 ÷ 31 = 8 | 22 |
| 3 | 220 | 220 ÷ 31 = 7 | 3 |
| 4 | 30 | 30 ÷ 31 = 0 | 30 |
| 5 | 300 | 300 ÷ 31 = 9 | 21 |
| 6 | 210 | 210 ÷ 31 = 6 | 24 |
| 7 | 240 | 240 ÷ 31 = 7 | 23 |
| 8 | 230 | 230 ÷ 31 = 7 | 13 |
| 9 | 130 | 130 ÷ 31 = 4 | 6 |
| 10 | 60 | 60 ÷ 31 = 1 | 29 |
| 11 | 290 | 290 ÷ 31 = 9 | 11 |
| 12 | 110 | 110 ÷ 31 = 3 | 17 |
Questions
What is 12/31 as a decimal?
12/31 as a decimal is 0.387096774193548… (the digits 387096774193548 repeat forever), which is 0.39 rounded to 2 decimal places.
Is 12/31 a terminating or a repeating decimal?
It repeats. The bottom number 31 = 31 has a prime factor other than 2 and 5, so the division never ends and the block 387096774193548 (15 digits) repeats.
What is 12/31 as a percent?
12/31 is 38.709677419354838…% as a percent.
How do I round 12/31 to 2 decimal places?
12/31 rounded to 2 decimal places is 0.39.