2/5= 4/10=0,4
13/50=26/100=0,26
7/25=28/100=0,28
[tex]\frac{2}{5} = \frac{4}{10} = 0,4\\\\\frac{13}{50} = \frac{26}{100} = 0,26\\\\\frac{7}{25} = \frac{28}{100} = 0,28[/tex]
