Răspuns:
c)
[tex]\frac{9}{12}=\frac{3}{4} =\frac{12}{16} =\frac{16,5}{22}[/tex]
d)
[tex]\frac{1}{1,5}= \frac{2}{3} =\frac{3}{4,5} =\frac{4}{6}[/tex]