а) 1/6 и 3/8; г) 8/15 и 11/12; ж) 11/30 и 8/45; к) 9/98 и 5/56; б) 4/9 и 7/15; д) 9/10 и 5/12; з) 11/20 и 9/16; л) 13/750 и 7/450; в) 5/33 и 1/8; е) 13/12 и 13/18; и) 8/33 и 9/77; м) 10/297 и 14/363.

Для решения необходимо сравнить дроби в каждой паре. а) $$\frac{1}{6} = \frac{4}{24}$$ $$\frac{3}{8} = \frac{9}{24}$$ $$\frac{1}{6} < \frac{3}{8}$$ б) $$\frac{4}{9} = \frac{20}{45}$$ $$\frac{7}{15} = \frac{21}{45}$$ $$\frac{4}{9} < \frac{7}{15}$$ в) $$\frac{5}{33} = \frac{40}{264}$$ $$\frac{1}{8} = \frac{33}{264}$$ $$\frac{5}{33} > \frac{1}{8}$$ г) $$\frac{8}{15} = \frac{32}{60}$$ $$\frac{11}{12} = \frac{55}{60}$$ $$\frac{8}{15} < \frac{11}{12}$$ д) $$\frac{9}{10} = \frac{54}{60}$$ $$\frac{5}{12} = \frac{25}{60}$$ $$\frac{9}{10} > \frac{5}{12}$$ е) $$\frac{13}{12} = \frac{39}{36}$$ $$\frac{13}{18} = \frac{26}{36}$$ $$\frac{13}{12} > \frac{13}{18}$$ ж) $$\frac{11}{30} = \frac{33}{90}$$ $$\frac{8}{45} = \frac{16}{90}$$ $$\frac{11}{30} > \frac{8}{45}$$ к) $$\frac{9}{98} = \frac{9 \cdot 28}{98 \cdot 28} = \frac{252}{2744}$$ $$\frac{5}{56} = \frac{5 \cdot 49}{56 \cdot 49} = \frac{245}{2744}$$ $$\frac{9}{98} > \frac{5}{56}$$ л) $$\frac{13}{750} = \frac{26}{1500}$$ $$\frac{7}{450} = \frac{23\frac{1}{3}}{1500}$$ $$\frac{13}{750} > \frac{7}{450}$$ м) $$\frac{10}{297} = \frac{10 \cdot 11}{297 \cdot 11} = \frac{110}{3267}$$ $$\frac{14}{363} = \frac{14 \cdot 9}{363 \cdot 9} = \frac{126}{3267}$$ $$\frac{10}{297} < \frac{14}{363}$$ и) $$\frac{8}{33} = \frac{8 \cdot 7}{33 \cdot 7} = \frac{56}{231}$$ $$\frac{9}{77} = \frac{9 \cdot 3}{77 \cdot 3} = \frac{27}{231}$$ $$\frac{8}{33} > \frac{9}{77}$$