We have two responses for you.
There are 10 digits after the decimal place in 1.7142857143 so if you multiply 1.7142857143 by 1010 = 10000000000 you get 17142857143 and hence
1.7142857143 = 17142857143/10000000000
The question now is, can this fraction be simplified. The prime factorization of 10000000000 = 1010 is 210 510 and 17142857143 is not divisible by 2 or 5 so the fraction can't be simplified.
You can always just move the decimal and keep track of how
far you are moving it:
1.7142857143 = 17142857143 / 10000000000 (ten zeros)
However, you are giving me a number from a calculator and the
calculator has rounded this number off. Take a look at what your
calculator says about 1/7, 2/7, etc. and you'll see the pattern you
Stephen La Rocque.>