[latex]3 frac{6}{7} +1 frac{3}{7} = frac{27}{7} + frac{10}{7} = frac{37}{7} =5 frac{2}{7} [/latex] [latex]5 frac{5}{8} + 2 frac{3}{8} = 7 frac{8}{8} = 8[/latex] [latex]5 frac{4}{9} +7 frac{7}{9} = frac{49}{9} + frac{70}{9} = frac{119}{9} = 13 frac{2}{9} [/latex] [latex]1 frac{3}{4} + 2 frac{1}{4} + 3 frac{3}{4} = frac{7}{4} + frac{9}{4} + frac{15}{4} = frac{31}{4} = 7 frac{3}{4} [/latex] [latex]2 frac{5}{8} +7 frac{3}{8} + 2 frac{3}{8} = 11 frac{11}{8} = 11 + 1 frac{3}{8} =12 frac{3}{8} [/latex] [latex]8 frac{7}{10} +4 frac{3}{10} + frac{5}{10} = 12 frac{15}{10} = 12+1 frac{5}{10}= 13 frac{5}{10} = 13 frac{1}{2} [/latex] [latex] frac{5}{11} + 3 frac{8}{11} + 4 frac{10}{11} = 7 frac{23}{11} = 7+ 2 frac{1}{11} = 9 frac{1}{11} [/latex]
