0,27(73) = [tex] \frac{2773 - 27}{9900} = \frac{2746}{9900} [/tex]
3,0(3) = [tex]3 + \frac{03 - 0}{90} = 3 + \frac{3}{90} [/tex]
12,10(3) = [tex]12 + \frac{103 - 10}{900} = 12 + \frac{93}{900} [/tex]
7,8(3) = [tex]7 + \frac{83 - 8}{90} = 7 + \frac{75}{90} [/tex]