Răspuns:
[tex]e) \frac{3}{7 } + \frac{3}{14} = \frac{6 + 3}{14} = \frac{9}{14} [/tex]
[tex] f)\frac{7}{10 } + \frac{2}{5} = \frac{7 + 4}{10} = \frac{11}{10} [/tex]
[tex]g) \frac{1}{4} + \frac{9}{20} = \frac{5 + 9}{20} = \frac{14}{20} [/tex]
[tex]h) \frac{5}{8} + \frac{3}{4} = \frac{5 + 6}{8} = \frac{11}{8} [/tex]
[tex]a) \: \frac{1}{2} + \frac{1}{8} = \frac{4 + 1} {8} = \frac{5}{8} [/tex]
[tex]b) \frac{1}{3} + \frac{1}{8 } = \frac{8 + 3}{21} = \frac{11}{21} [/tex]
[tex]c) \frac{2}{3} + \frac{1}{15} = \frac{10 + 1}{15} = \frac{11}{15} [/tex]
[tex]d) \frac{2}{3} + \frac{4}{9} = \frac{6 + 4 }{9 } = \frac{10}{9} [/tex]
[tex]sper \: \: ca \: te-am \: \: ajutat[/tex]
