Zadanie 1
[tex]\frac{4}{5} =\frac{8}{10}[/tex]
[tex]\frac{3}{10}=\frac{6}{20}[/tex]
[tex]\frac{2}{3} =\frac{4}{6}[/tex]
Zadanie 2
[tex]\frac{8}{12} =\frac{2}{3}[/tex]
[tex]\frac{16}{60} =\frac{4}{15}[/tex]
[tex]\frac{28}{32} =\frac{7}{8}[/tex]
[tex]\frac{4}{20} =\frac{1}{5}[/tex]
[tex]\frac{36}{80} =\frac{9}{20}[/tex]
[tex]\frac{8}{24} =\frac{2}{6}[/tex]