[tex]a) 0,3 = \frac{3}{10} [/tex]
[tex]b) 2,75 =2 \frac{75}{100} = 2\frac{3}{4} [/tex]
[tex]c) 0,225 = \frac{225}{1000} = \frac{9}{40} [/tex]
[tex]d) 3,5 =3\frac{50}{100} = 3\frac{1}{2} [/tex]
:)
