Mettre deux nombres rationnels sur le même dénominateur Exercice

\dfrac{9}{7}= \dfrac{81}{63}

\dfrac{9}{7}= \dfrac{65}{63}

\dfrac{9}{7}= \dfrac{72}{63}

\dfrac{9}{7}= \dfrac{9}{63}

\dfrac{11}{8}= \dfrac{55}{40}

\dfrac{11}{8}= \dfrac{47}{40}

\dfrac{11}{8}= \dfrac{5}{40}

\dfrac{11}{8}= \dfrac{16}{40}

\dfrac{2}{5} = \dfrac{6}{15}

\dfrac{2}{5} = \dfrac{12}{15}

\dfrac{2}{5} = \dfrac{3}{15}

\dfrac{2}{5} = \dfrac{5}{15}

\dfrac{10}{7} = \dfrac{70}{49}

\dfrac{10}{7} = \dfrac{17}{49}

\dfrac{10}{7} = \dfrac{7}{49}

\dfrac{10}{7} = \dfrac{52}{49}

\dfrac{1}{3} = \dfrac{4}{12}

\dfrac{1}{3} = \dfrac{10}{12}

\dfrac{1}{3} = \dfrac{5}{12}

\dfrac{1}{3} = \dfrac{3}{12}

\dfrac{3}{2} = \dfrac{15}{10}

\dfrac{3}{2} = \dfrac{5}{10}

\dfrac{3}{2} = \dfrac{11}{10}

\dfrac{3}{2} = \dfrac{8}{10}

\dfrac{1}{5} = \dfrac{5}{25}

\dfrac{1}{5} = \dfrac{21}{25}

\dfrac{1}{5} = \dfrac{6}{25}

\dfrac{1}{5} = \dfrac{15}{25}