[tex]9\frac{1}{9} \ can \ be\ written\ as\ \frac{82}{9}\\\frac{82}{9} - \frac{5}{6} \\ LCM = 18\\\frac{82*2}{9*2} = \frac{164}{18} \\\frac{5*3}{6*3} = \frac{15}{18}\\\frac{164-15}{18} = \frac{149}{18}\\[/tex]
Hope it is clear:)
