a)
[tex]3 \frac{2}{5} + \frac{2}{5} = 3 \frac{4}{5} [/tex]
b)
[tex]8 \frac{1}{10} + \frac{7}{10} = 8 \frac{8}{10} = 8 \frac{4}{5} [/tex]
c)
[tex]3 \frac{5}{9} + 4 \frac{2}{9} = 7 \frac{7}{9} [/tex]
d)
[tex]7 \frac{1}{5} + 1 \frac{4}{5} = 8 \frac{5}{5} = 9[/tex]
e)
[tex]2 \frac{7}{13} + \frac{ 8 }{13} = 2 \frac{15}{13} = 3 \frac{2}{13} [/tex]
f)
[tex]3 \frac{19}{20} + \frac{3}{20} = 3 \frac{22}{20} = 4 \frac{2}{20} = 4 \frac{1}{10} [/tex]
g)
[tex]5 \frac{2}{9} + \frac{5}{9} +3 \frac{7}{9} = 8 \frac{14}{9} = 9 \frac{5}{9} [/tex]
h)
[tex]1 \frac{12}{25} + 2 \frac{17}{25} + \frac{11}{25} = 3 \frac{40}{25} = 4 \frac{15}{25} = 4 \frac{3}{5} [/tex]
