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SoucasFractions

Exercice pour mémoriser les techniques opératoires

QuestionsRéponses
Pour additionner deux fractions ... ...elles doivent avoir le même dénominateur.
Pour multiplier deux fractions ... ...on multiplie les numérateurs entre eux et les dénominateurs entre eux.
Pour diviser par une fraction... ...on multiplie par l'inverse.
Pour soustraire deux fractions ... ...elles doivent avoir le même dénominateur.
Lorsqu'on multiplie deux fractions ... ...on peut chercher à simplifier pendant les calculs.
L'inverse de a sur b (avec a non nul)... ...est b sur a
Created by: SOUCAS
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