Odpowiedź:
Zad. 1
[tex]\frac{4}{5}=\frac{4*2}{5*2}=\frac{8}{10}[/tex]
[tex]\frac{3}{10}=\frac{3*2}{10*2}=\frac{6}{20}[/tex]
[tex]\frac{2}{3}=\frac{2*2}{3*2}=\frac{4}{6}[/tex]
Zad. 2
[tex]\frac{8}{12}=\frac{8:4}{12:4} =\frac{1}{3}[/tex]
[tex]\frac{4}{20}=\frac{4:4}{20:4} =\frac{1}{5}[/tex]
[tex]\frac{16}{60}=\frac{16:4}{60:4}=\frac{4}{15}[/tex]
[tex]\frac{36}{80}=\frac{36:4}{80:4}=\frac{9}{20}[/tex]
[tex]\frac{28}{32}=\frac{28:4}{32:4}=\frac{7}{8}[/tex]
[tex]\frac{8}{24}=\frac{8:4}{24:4}=\frac{2}{6}[/tex]
Szczegółowe wyjaśnienie:
