$\frac{5}{6}$

$\frac{2}{3}$

$\frac{1}{3}$

$\frac{2}{9}$

$\frac{4}{5}\ ,\ \frac{8}{10}\ ,\ \frac{10}{20}\ ,\ \frac{16}{30}$

$\frac{1}{2}\ ,\ \frac{2}{3}\ ,\ \frac{4}{8}\ ,\ \frac{6}{18}$

$\frac{2}{3}\ ,\ \frac{6}{8}\ ,\ \frac{8}{12}\ ,\ \frac{12}{24}$

$\frac{4}{9}\ ,\ \frac{8}{18}\ ,\ \frac{12}{27}\ ,\ \frac{32}{36}$

$\frac{9}{3}\ ,\ \frac{8}{4}\ ,\ \frac{2}{6}$

$\frac{4}{4}\ ,\ \frac{4}{3}\ ,\ \frac{8}{6}$

$\frac{12}{4}\ ,\ \frac{15}{5}\ ,\ \frac{18}{9}$

$\frac{12}{3}\ ,\ \frac{15}{3}\ ,\ \frac{18}{4}$

$\frac{3}{4}\ ,\ \frac{5}{6}\ ,\ \frac{5}{8}\ ,\ \frac{2}{3}$

$\frac{5}{8}\ ,\ \frac{3}{4}\ ,\ \frac{2}{3}\ ,\ \frac{5}{6}$

$\frac{5}{8}\ ,\ \frac{2}{3}\ ,\ \frac{3}{4}\ ,\ \frac{5}{6}$

$\frac{5}{6}\ ,\ \frac{3}{4}\ ,\ \frac{2}{3}\ ,\ \frac{5}{8}$

 $\frac{4}{3}>\frac{6}{5}$  

 $\frac{6}{5}>\frac{10}{4}$  

 $\frac{8}{9}>\frac{4}{5}$  

ถูกทั้ง ก และ ค

$\frac{9}{8}\ ,\ \frac{7}{8}\ ,\ \frac{3}{4}\ ,\ \frac{11}{16}$

$\frac{11}{16}\ ,\ \frac{9}{8}\ ,\ \frac{7}{8}\ ,\ \frac{3}{4}$

$\frac{9}{8}\ ,\ \frac{11}{16}\ ,\ \frac{7}{8}\ ,\ \frac{3}{4}$

$\frac{11}{16}\ ,\ \frac{7}{8}\ ,\ \frac{9}{8}\ ,\ \frac{3}{4}$

$\frac{1}{2}>\frac{1}{4}>\frac{1}{8}$

$\frac{3}{5}>\frac{1}{2}>\frac{2}{10}$

$2\frac{1}{3}>2\frac{1}{4}>2\frac{2}{3}$

$\frac{3}{14}>\frac{3}{6}>\frac{5}{12}$

$\frac{4}{6}=\frac{6}{9}=\frac{8}{12}$

$\frac{19}{30}=\frac{38}{60}=\frac{57}{90}$

$\frac{20}{28}=\frac{15}{21}=\frac{10}{14}$

$\frac{9}{13}=\frac{27}{39}=\frac{36}{32}$

 $\frac{70}{120}\ ,\ \frac{105}{120}\ ,\ \frac{175}{240}$  

 $\frac{70}{100}\ ,\ \frac{105}{120}\ ,\ \frac{175}{180}$  

 $\frac{70}{120}\ ,\ \frac{105}{180}\ ,\ \frac{210}{240}$  

 $\frac{70}{120}\ ,\ \frac{105}{180}\ ,\ \frac{140}{240}$