Simplifier une fractionExercice

\dfrac{90}{100}

\dfrac{15}{100}

\dfrac{75}{100}

\dfrac{50}{100}

\dfrac{60}{100}

\dfrac{9}{10}

\dfrac{3}{20}

\dfrac{3}{5}

\dfrac{1}{2}

\dfrac{3}{4}