21:4=
\( \frac{1}{2}:4= \)
\( \frac{1}{3}:3= \)
\( \frac{1}{2}:2= \)
\( \frac{1}{2}:3= \)\( \)\( \)\( \)
\( \frac{5}{8}:2= \)
\( \frac{6}{7}:2= \)
\( \frac{2}{3}:5= \)
\( \frac{4}{5}:2= \)
\( \frac{3}{4}:4= \)
\( \frac{2}{7}:3= \)
\( \frac{4}{7}:5= \)
\( \frac{3}{5}:4= \)
\( \frac{3}{4}:3= \)
\( \frac{4}{9}:6= \)
\( \frac{9}{10}:2= \)