ZAD 1
a) [tex]\frac{2}{5}+ \frac{1}{5} = \frac{3}{5}[/tex]
[tex]\frac{7}{9} +\frac{1}{9}= \frac{8}{9}[/tex]
b)[tex]2\frac{1}{7} +\frac{2}{7} =2\frac{3}{7}[/tex]
[tex]5\frac{7}{10}+ 1\frac{1}{10} =6\frac{8}{10}[/tex]
c)[tex]3\frac{1}{8}+ 1\frac{3}{8} =4\frac{4}{8}[/tex]
[tex]6\frac{2}{9} +2\frac{5}{9} =8\frac{7}{9}[/tex]
ZAD 3
b) [tex]2\frac{3}{7} +\frac{5}{7} =2\frac{8}{7} =3\frac{1}{7}[/tex]
c) [tex]5\frac{5}{8} +\frac{3}{8} =5\frac{8}{8}= 6[/tex]
d) [tex]4\frac{3}{5} +3\frac{4}{5} =7\frac{7}{5} =8\frac{2}{5}[/tex]
