21/31 as a percent
21/31 as a percent is 67.741935483870967…% (the digits 741935483870967 repeat forever), which is 67.74% rounded to 2 decimal places.
Change either number to try your own. The digits 741935483870967 repeat. Rounded to 2 places: 67.74%. In lowest terms: 21/31.
See the full steps for these numbersHow to work it out
- 1
Multiply by 100 to get a percent: 21/31 × 100 = 2100/31. Then divide 2100 by 31.
- 2
31 goes into 2100 67 times with 23 left over, so the whole part is 67.
- 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 741935483870967 repeat forever.
- 4
The result is
LaTeX source of the formulas on this page
\[ \frac{21}{31} = 67.\overline{741935483870967}\% \]
\[ \frac{21}{31} \times 100 = \frac{2100}{31} \]Long division of 2100 by 31
| Step | Remainder × 10 | Divide by 31 | Remainder left |
|---|---|---|---|
| 1 | 230 | 230 ÷ 31 = 7 | 13 |
| 2 | 130 | 130 ÷ 31 = 4 | 6 |
| 3 | 60 | 60 ÷ 31 = 1 | 29 |
| 4 | 290 | 290 ÷ 31 = 9 | 11 |
| 5 | 110 | 110 ÷ 31 = 3 | 17 |
| 6 | 170 | 170 ÷ 31 = 5 | 15 |
| 7 | 150 | 150 ÷ 31 = 4 | 26 |
| 8 | 260 | 260 ÷ 31 = 8 | 12 |
| 9 | 120 | 120 ÷ 31 = 3 | 27 |
| 10 | 270 | 270 ÷ 31 = 8 | 22 |
| 11 | 220 | 220 ÷ 31 = 7 | 3 |
| 12 | 30 | 30 ÷ 31 = 0 | 30 |
Questions
What is 21/31 as a percent?
21/31 as a percent is 67.741935483870967…% (the digits 741935483870967 repeat forever), which is 67.74% rounded to 2 decimal places.
Is 21/31 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 741935483870967 (15 digits) repeats.
What is 21/31 as a decimal?
21/31 is 0.677419354838709… as a decimal.
How do I round 21/31 to 2 decimal places?
21/31 rounded to 2 decimal places is 67.74%.