What is .5714285714 as a fraction?

The decimal .5714285714 can be represented as a fraction by noting that the repeating decimal pattern is 571428. To convert this to a fraction, we can set x = .5714285714 and multiply it by 10 to shift the decimal point to the right: 10x = 5.714285714. Subtracting the original equation from the shifted equation, we get 9x = 5.142857143. Dividing both sides by 9, we find x = 5.142857143 / 9, which simplifies to 16/28 or 4/7. Therefore, .5714285714 as a fraction is 4/7.