What is 0.2857142857 in a fraction?

0.2857142857 is a recurring decimal that can be represented as a fraction by recognizing the repeating pattern. The repeating block is 285714, which has 6 digits. To convert this to a fraction, we can set x = 0.2857142857 and multiply x by 1000000 to shift the decimal point 6 places to the right, giving 1000000x = 285714.2857. Subtracting x from 1000000x gives 999999x = 285714, which simplifies to x = 285714/999999. Therefore, 0.2857142857 is equivalent to the fraction 285714/999999.