а) ( \frac{5}{24} + \frac{3}{8} = \frac{5}{24} + \frac{9}{24} = \frac{14}{24} = \frac{7}{12} )
б) ( \frac{7}{10} - \frac{2}{5} = \frac{7}{10} - \frac{4}{10} = \frac{3}{10} )
в) ( \frac{3}{4} - \frac{2}{5} = \frac{15}{20} - \frac{8}{20} = \frac{7}{20} )
г) ( \frac{8}{11} + \frac{1}{2} = \frac{16}{22} + \frac{11}{22} = \frac{27}{22} = 1\frac{5}{22} )
а) ( \frac{5}{24} + \frac{3}{8} = \frac{5}{24} + \frac{9}{24} = \frac{14}{24} = \frac{7}{12} )
б) ( \frac{7}{10} - \frac{2}{5} = \frac{7}{10} - \frac{4}{10} = \frac{3}{10} )
в) ( \frac{3}{4} - \frac{2}{5} = \frac{15}{20} - \frac{8}{20} = \frac{7}{20} )
г) ( \frac{8}{11} + \frac{1}{2} = \frac{16}{22} + \frac{11}{22} = \frac{27}{22} = 1\frac{5}{22} )