[tex]\displaystyle\bf\\Transformam~fractiile~zecimale~in~fractii~ordinare.\\\\0,\!5=\frac{5}{10}\\\\0,\!(5)=\frac{5}{9}\\\\Trebuie~sa~scriem~3~fractii~ordinare~cuprinse~intre~\frac{5}{10}~si~\frac{5}{9}\\\\\frac{5}{10}<\frac{5}{9}\\\\Amplificam~fractiile~cu~4\\\\\frac{20}{40}<\frac{20}{36}\\\\Vom~scrie~3~fractii~cuprinse~intre~fractiile~date.\\\\\frac{20}{40}<\boxed{\bf\frac{20}{39}}<\boxed{\bf\frac{20}{38}}<\boxed{\bf\frac{20}{37}}<\frac{20}{36}\\\\[/tex]
Intre oricare 2 fractii ordinare se pot scrie o infinitate de fractii ordinare.
