Simplifier une fractionExercice

\dfrac{15}{60}

\dfrac{30}{60}

\dfrac{24}{60}

\dfrac{40}{60}

\dfrac{42}{60}

\dfrac{1}{4}

\dfrac{1}{2}

\dfrac{2}{5}

\dfrac{2}{3}

\dfrac{7}{10}