Răspuns :
Răspuns:
Explicație pas cu pas:
a)[tex]\frac{2}{5}+ \frac{10}{5}= \frac{2+10}{5}= \frac{12}{5}[/tex]
b)[tex]\frac{4}{8}+ \frac{7}{8}= \frac{4+7}{8}= \frac{11}{8}[/tex]
c)[tex]\frac{7}{9} \frac{2}{9} =\frac{7+2}{9}= \frac{9}{9}[/tex]
Răspuns:
Explicație pas cu pas:
a)[tex]\frac{2}{5}+ \frac{10}{5}= \frac{2+10}{5}= \frac{12}{5}[/tex]
b)[tex]\frac{4}{8}+ \frac{7}{8}= \frac{4+7}{8}= \frac{11}{8}[/tex]
c)[tex]\frac{7}{9} \frac{2}{9} =\frac{7+2}{9}= \frac{9}{9}[/tex]