[tex]1,26=\frac{126}{100}~ simplificam ~cu~ 2= \frac{63}{100}[/tex]
[tex]0,(23)=\frac{23}{99}~nu~se~simplifica~[/tex]
[tex]-0,25=\frac{-25}{100}~Simplificam ~cu~25=\frac{-1}{4}[/tex]
[tex]2,1(3)=\frac{213-21}{99}=\frac{192}{99}~simplificam~cu~3=\frac{64}{33} [/tex]