a) \(\frac{3.5}{8.24}=\frac{3.5}{3.8.8}=\frac{5}{8.8}=\frac{5}{64}\)

b) \(\frac{2.14}{7.8}=\frac{2^2.7}{7.2^{3}}=\frac{1}{2}\)

c) \(\frac{3.7.11}{22.9}=\frac{3.7.11}{2.11.3^{2}}=\frac{7}{2.3}=\frac{7}{6}\)

d) \(\frac{8.5-8.2}{16}=\frac{(8.5-8.2):8}{16:8}=\frac{5-2}{2}=\frac{3}{2}\)

e) \(\frac{11.4-11}{2-13}=\frac{11.4-11.1}{-11}=\frac{11.(4-1)}{-11}=\frac{4-1}{-1}=-3\)