Răspuns :
[tex]2,3(6)=2 \frac{36-3}{90} =2 \frac{33}{90} = \frac{2*90+33}{90} = \frac{213}{90} [/tex]
[tex]2.3(6) = \frac{236 - 23}{90} = \frac{213}{90} = \frac{71}{30} [/tex]