[tex]\large\underline{\sf{Solution-}}[/tex]
[tex] \sf \: \frac{1}{6} and \frac{4}{9} \\ [/tex]
[tex] \sf = \frac{1}{6} + \frac{4}{9} \\ [/tex]
[tex]\textsf{Take the LCM of 6 and 9 is 18 }\\[/tex]
[tex] \sf \: = \frac{3 + 16}{18} \\ [/tex]
[tex] = \sf \frac{19}{ 18} \\ [/tex]
