a)
0,4 = [tex]\frac{4}{10}[/tex] = [tex]\frac{2}{5\\}[/tex]
0,08 = [tex]\frac{8}{100}[/tex] = [tex]\frac{4}{50}[/tex] = [tex]\frac{2}{25}[/tex]
0,15 = [tex]\frac{15}{100}[/tex] = [tex]\frac{3}{20}[/tex]
1,375 = [tex]\frac{1375}{1000}[/tex] = [tex]\frac{275}{200}[/tex] = [tex]\frac{55}{40}[/tex] = [tex]\frac{11}{8}[/tex] = [tex]1 \frac{3}{8}[/tex]
14,35 = [tex]\frac{1435}{100}[/tex] = [tex]\frac{287}{20}[/tex]
0,84 = [tex]\frac{84}{100}[/tex] = [tex]\frac{21}{25}[/tex]
b)
¾ = 0,75
⅝ = 0,625
3½ = 3,5
4⅖ = 4,4
1⁹/₂₀ = 29/20 = 1,45
¹¹/₂₅ = 0,44
