Question

How do you convert 0.7777 as a fraction?

Answer 1

Derivation of Raja's given answer may prove useful!
Method can be applied to repeating groups of decimal values

Explanation:

`x = 0.7777bar(7)` ...................(1)

`10x=7.777bar(7)`....................(2)

(2) - (1)

`x(10-1) =7`
`x=7/9`