one nineth in decimal = 0.11111...1/9:= 1 ÷ 9= 0.11111... in decimal
Assuming "nineth" is your failed attempt to spell ninth, the answer is 0.111... repeating.
It is: 1/9 = 0.1111... recurring as a decimal
1/9 = 0.1111111 . . .
2 and 1/9 = 2.1111 .... recurring
0.2222
3/9 = 3 ÷ 9 = 0.3333 in decimal
11.11.....
2.666666666666666667
It is: 8
One hundred...
Ninth is the correct spelling.