Simplifier une fraction

\frac{108}{45}

\frac{108}{45}~=~\frac{9~\times~12}{9~\times~5}

\frac{108}{45}~=~\frac{12}{5}

\frac{840}{455}

\frac{840}{455}~=~\frac{5~\times~2~\times~7~\times~12}{5~\times~7~\times~13}

\frac{840}{455}~=~\frac{2~\times~12}{13}~=~\frac{24}{13}

\frac{9}{12}

\frac{1}{4}

\frac{3}{4}

\frac{6}{9}

\frac{15}{35}

\frac{1}{3}

\frac{0}{20}

\frac{3}{7}

\frac{12}{24}

\frac{6}{12}

\frac{1}{2}

\frac{3}{6}

\frac{9}{12} = \frac{3 \times 3}{3 \times 4} = {3}{4}

\frac{15}{35} = \frac{5 \times 3}{5 \times 7} = {3}{7}

\frac{12}{24} = \frac{12 \times 1}{12 \times 2} = {1}{2}

\frac{42}{30}

\frac{7}{5}

\frac{3}{5}

\frac{60}{48}

\frac{2}{5}

\frac{5}{4}

\frac{650}{75}

\frac{13}{3}

\frac{26}{3}

\frac{5}{6}

\frac{15}{18}

\frac{10}{12}

\frac{1,5}{0,18}

\frac{20}{28}

\frac{30}{36}

\frac{15}{18} = \frac{15 \, \div \, 3}{18 \, \div \, 3} = \frac{5}{6}

\frac{10}{12} = \frac{10 \, \div \, 2}{12 \, \div \, 2} = \frac{5}{6}

\frac{30}{36} = \frac{30 \, \div \, 6}{6 \, \div \, 6} = \frac{5}{6}