0.27 repeating in simplest form

0.27 (repeating) = 27/99 which reduces to 3/11 <==

* * if u have 1 number repeating, like 0.222, then u put that 1 number over 9 ... 2/9

if u have 2 numbers repeating, like 0.1414, then u put those 2 numbers over 99 ... 14/99

if u have 3 numbers repeating, like 0.234234, then u put those 3 numbers over 999 ... 234/999