a)
[tex] \frac{7}{3} + \frac{4}{3} = \frac{11}{3} [/tex]
b)
[tex] \frac{3}{7} + \frac{8}{7} = \frac{11}{7} [/tex]
c)
[tex] \frac{7}{5} + ( - \frac{3}{5} ) = \frac{4}{5} [/tex]
d)
[tex] - \frac{13}{6} + \frac{5}{6} = - \frac{8}{6} [/tex]
e)
[tex]( - \frac{7}{4} ) + ( - \frac{3}{4} ) = - \frac{10}{4} [/tex]
f)
[tex]( - \frac{7}{6} ) + ( - \frac{1}{6} ) = - \frac{8}{6} [/tex]
Succes la teme!