a) [tex]\frac{3}{5} + \frac{4}{5} = \frac{7}{5} = 1\frac{2}{5}[/tex]
b) [tex]3\frac{2}{7} + \frac{4}{7} = 3\frac{6}{7}[/tex]
c) [tex]3\frac{5}{8} + 4\frac{3}{8} = 8[/tex]
d) [tex]\frac{15}{17} - \frac{10}{17} = \frac{5}{7}[/tex]
e) [tex]3\frac{14}{20} - 1 \frac{6}{20} = 2\frac{8}{20} = 2\frac{2}{5}[/tex]
f) [tex]8 - 2\frac{8}{10} = 5\frac{2}{10} = 5\frac{1}{5}[/tex]
g) [tex]4\frac{1}{6} - 1\frac{5}{6} = \frac{25}{6} - \frac{11}{6} = \frac{14}{6} = \frac{7}{3} = 2\frac{1}{3}[/tex]
h) [tex]10\frac{4}{10} - 2\frac{6}{10} = \frac{104}{10} - \frac{26}{10} = \frac{78}{10} = \frac{39}{5} = 7\frac{4}{5}[/tex]
