[tex]2,15 = 2\frac{15}{100} = 2\frac{3}{20}\\\\15,04 = 15\frac{4}{100} = 15\frac{1}{25}\\\\7,201 = 7\frac{201}{1000}\\\\1,903=1\frac{903}{1000}\\\\172,151 = 172\frac{151}{1000} \\\\0,98 = \frac{98}{100} = \frac{49}{50}\\\\0,045 = \frac{45}{1000} = \frac{9}{200}\\\\0,405 = \frac{405}{1000}=\frac{81}{200}[/tex]
[tex]1,012 = 1\frac{12}{1000} = 1\frac{3}{250}\\\\7,009 = 7\frac{9}{1000}\\\\12,73 = 12\frac{73}{100}\\\\15,102 = 15\frac{102}{1000} = 15\frac{51}{500}[/tex]
