⅐ = 0.1̅4̅2̅8̅5̅7̅

The above is 42857 * 7, but you also get interesting numbers for other subsets:

     7 * 7 =     49
    57 * 7 =    399
   857 * 7 =   5999
  2857 * 7 =  19999
 42857 * 7 = 299999
142857 * 7 = 999999