206k views
3 votes
Rewrite as a simplified fraction 1.6 <-- repeating=?

1 Answer

0 votes

1.6666...=1.\overline{6}=1.(6)\\\\x=1.6666...\ \ \ |multiply\ both\ sides\ by\ 10\\10x=16.6666...\\\\10x-x=16.6666...-1.6666...\\9x=15\ \ \ \ |divide\ both\ sides\ by\ 9\\\\x=(15)/(9)\\\\\boxed{x=1(6)/(9)}\\\\simplify\\\\x=1(6:3)/(9:3)=\boxed{1(2)/(3)}
User Nissim Nanach
by
7.5k points