[tex] \frac{1}{6}+\frac{2}{5}= \frac{5}{30}+\frac{12}{30}=\frac{17}{30}\\\\\\\frac{3}{5}+\frac{1}{2} = \frac{6}{10}+\frac{5}{10} = \frac{11}{10} \\\\\\ \frac{1}{4}+\frac{1}{2}=\frac{1}{4}+\frac{2}{4}=\frac{3}{4}[/tex]
[tex] \frac{1}{8}+\frac{1}{3}= \frac{3}{24}+\frac{8}{24}=\frac{11}{24}\\\\\\\frac{1}{2}+\frac{1}{5} = \frac{5}{10}+\frac{2}{10} = \frac{7}{10} \\\\\\ \frac{3}{4}+\frac{1}{3}=\frac{9}{12}+\frac{4}{12}=\frac{13}{12}=1\frac{1}{12}
[/tex]
[tex] \frac{2}{8}+\frac{1}{2}= \frac{2}{8}+\frac{4}{8}=\frac{6}{8}=\frac{3}{4}\\\\\\\frac{2}{5}+\frac{1}{3} = \frac{6}{15}+\frac{5}{15} = \frac{11}{15} [/tex]