Comparer des fractions de dénominateurs différents Exercice

\dfrac{23}{21}\gt\dfrac{12}{7}

\dfrac{23}{21}\lt\dfrac{12}{7}

\dfrac{23}{21}=\dfrac{12}{7}

\dfrac{-10}{7}\gt\dfrac{-10}{31}

\dfrac{-10}{7}\lt\dfrac{-10}{31}

\dfrac{-10}{7}=\dfrac{-10}{31}

\dfrac{4}{5}\gt\dfrac{-3}{-15}

\dfrac{4}{5}\lt\dfrac{-3}{-15}

\dfrac{4}{5}=\dfrac{-3}{-15}

\dfrac{-21}{28}\gt\dfrac{-3}{4}

\dfrac{-21}{28}\lt\dfrac{-3}{4}

\dfrac{-21}{28}=\dfrac{-3}{4}

\dfrac{7}{15}\gt\dfrac{3}{10}

\dfrac{7}{15}\lt\dfrac{3}{10}

\dfrac{7}{15}=\dfrac{3}{10}