Răspuns:
Explicație pas cu pas:
[tex]\frac{12}{25} :\frac{8}{5} +\frac{9}{35} :\frac{3}{14} =\frac{12}{25} *\frac{5}{8} +\frac{9}{35} *\frac{14}{3}=\frac{6}{5}*\frac{1}{2} +\frac{3}{5} *\frac{2}{1} =\frac{6}{10} +\frac{6}{5} =\frac{6}{10} +\frac{8}{10}=\frac{14}{10} =\frac{7}{5}[/tex]
