a)
[tex]3 \frac{2}{5} + 1 \frac{4}{5} = 4 \frac{6}{5} = 5 \frac{1}{5} [/tex]
b)
[tex]3 \frac{6}{11} + 2 \frac{7}{11} = 5 \frac{13}{11} = 6 \frac{2}{11} [/tex]
c)
[tex]5 \frac{5}{9} + 4 \frac{5}{9} = 9 \frac{10}{9} = 10 \frac{1}{9} [/tex]
d)
[tex]3 \frac{5}{13} + 8 \frac{10}{13} = 11 \frac{15}{13} = 12 \frac{2}{13} [/tex]
e)
[tex]1 \frac{3}{7} + 2 \frac{3}{7} + 3 \frac{3}{7} = 6 \frac{9}{7} = 7 \frac{2}{7} [/tex]
f)
[tex]1 \frac{5}{8} + 9 \frac{5}{8} + 1 \frac{7}{8} = 11\frac{17}{8} = 13 \frac{1}{8} [/tex]
g)
[tex]8 \frac{3}{10} + 4 \frac{3}{10} + \frac{7}{10} = 12 \frac{13}{10} = 13 \frac{3}{10} [/tex]
h)
[tex] \frac{7}{15} + 3 \frac{8}{15} + 5 \frac{11}{15} = 8 \frac{26}{15} = 9 \frac{11}{15} [/tex]
