Step-by-step working
- The greatest common divisor of 2 and 3 is 1, so 2/3 can't be simplified further.
- Decimal: 2 ÷ 3 = 0.666667… (the 6 repeats).
- Percent: 0.666667 × 100 = 66.67%.
2/3 in Fraction Form
Quick answer
2/3 is already a fraction, and it is in simplest form because 2 and 3 share no common factor other than 1. As a decimal it is 0.6667 (rounded; the 6 repeats forever), and as a percentage it is 66.67%. Equivalent fractions include 4/6, 6/9 and 8/12.
Simplest form
2/3
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Answer (simplest form)
2/3
| As a mixed number | 2/3 |
| As a decimal | 0.666667 |
| As a percentage | 66.6667% |
Show the working
- Multiply the numerators and the denominators: (2 × 1) / (3 × 1) = 2/3.
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Fractions equivalent to 2/3
| Multiply top and bottom by | Equivalent fraction | Decimal |
|---|---|---|
| 2 | 4/6 | 0.6667 |
| 3 | 6/9 | 0.6667 |
| 4 | 8/12 | 0.6667 |
| 5 | 10/15 | 0.6667 |
| 10 | 20/30 | 0.6667 |
Frequently asked questions
What is 2/3 as a decimal?
2/3 as a decimal is 0.666…, with the 6 repeating forever. Rounded to two decimal places it is 0.67, and to four places 0.6667.
Is 2/3 in simplest form?
Yes. A fraction is in simplest form when its numerator and denominator have no common factor other than 1. The only factor 2 and 3 share is 1, so 2/3 cannot be reduced.