Ответ:
[tex] \frac{2}{5} + \frac{4}{25} = \frac{10}{25} + \frac{4}{25} = \frac{14}{25} \\ \frac{3}{32} + \frac{5}{8} = \frac{3}{32} + \frac{20}{32} = \frac{23}{32} \\ \frac{1}{6} + \frac{7}{18} = \frac{3}{18} + \frac{7}{18} = \frac{10}{18} = \frac{5}{9} \\ \frac{3}{8} + \frac{1}{56} = \frac{21}{56} + \frac{1}{56} = \frac{22}{56} = \frac{11}{28} [/tex]
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Ответ:
[tex] \frac{2}{5} + \frac{4}{25} = \frac{10}{25} + \frac{4}{25} = \frac{14}{25} \\ \frac{3}{32} + \frac{5}{8} = \frac{3}{32} + \frac{20}{32} = \frac{23}{32} \\ \frac{1}{6} + \frac{7}{18} = \frac{3}{18} + \frac{7}{18} = \frac{10}{18} = \frac{5}{9} \\ \frac{3}{8} + \frac{1}{56} = \frac{21}{56} + \frac{1}{56} = \frac{22}{56} = \frac{11}{28} [/tex]