Câu 1:
a) $\frac{3}{5}$ > $\frac{2}{5}$
b) $\frac{1}{5}$ > $\frac{1}{7}$
c) $\frac{-3}{4}$ < $\frac{2}{5}$
d) $\frac{-5}{7}$ < $\frac{-3}{14}$
e)$\frac{102}{97}$ > $\frac{99}{101}$
f)$\frac{-5}{14}$ > $\frac{-4}{11}$
Bài 2:
$\frac{3}{-8}$ < $\frac{-7}{12}$ < $\frac{2}{3}$ <$\frac{5}{6}$
Học Tốt~~