Question
Express the following in the form

(i) 0.6666 … (ii)

…
Solution
(i) Let x = 0.6666 … =
…(i)
Multiplying both sides by 10, we get
…(ii)
Subtracting (i) from (ii), we get
(ii) Let x =
…(i)
Multiplying both sides by 1000, we get
…(ii)
Subtracting (i) from (ii), we get