Răspuns:
a) [tex]\frac{1}{2} + \frac{1}{3} = \frac{5}{6}[/tex]
b) [tex]\frac{2}{3} + \frac{1}{4} = \frac{11}{12}[/tex]
c) [tex]\frac{2}{5} + \frac{3}{4} = \frac{23}{20}[/tex]
d) [tex]\frac{3}{7} + \frac{7}{3} = \frac{58}{21}[/tex]
e) [tex]\frac{1}{2} + \frac{1}{7} = \frac{9}{14}[/tex]
f) [tex]\frac{1}{4} + \frac{8}{9} = \frac{41}{36}[/tex]
g) [tex]\frac{2}{5} + \frac{2}{9} = \frac{28}{45}[/tex]
h) [tex]\frac{7}{11} + \frac{2}{3} = \frac{43}{33}[/tex]
i) [tex]\frac{5}{6} + \frac{3}{11} = \frac{73}{66}[/tex]
j) [tex]\frac{5}{8} + \frac{8}{5} = \frac{89}{40}[/tex]
Sper sa intelegi, daca ai nevoie sa vezi cum am facut sa imi spui.
