a) 

$0,3=\frac{3}{10}$  

$0,01=\frac{1}{100}$  

$0,007=\frac{7}{1000}$  

b) 

$0,2=\frac{2}{10}=\frac{1}{5}$  

$0,6=\frac{6}{10}=\frac{3}{5}$  

$0,15=\frac{15}{100}=\frac{3}{20}$  

c)

$1,4=1\frac{4}{10}=1\frac{2}{5}$  

$2,8=2\frac{8}{10}=2\frac{4}{5}$  

$1,14=1\frac{14}{100}=1\frac{7}{50}$  

d)

$0,024=\frac{24}{1000}=\frac{6}{250}$  

$3,25=3\frac{25}{100}=3\frac{1}{4}$  

$7,125=7\frac{125}{1000}=7\frac{1}{8}$  

e) 

$7,035=7\frac{35}{1000}=7\frac{7}{200}$   

$24,004=24\frac{4}{1000}=24\frac{1}{250}$  

$38,208=38\frac{208}{1000}=38\frac{26}{125}$