Simplification de fractions et fractions irréductibles


Comment simplifier une fraction irréductible ?

Une fraction irréductible est une fraction qui a été simplifiée à son maximum. Pour simplifier une fraction, il faut transformer le numérateur et le dénominateur en plusieurs facteurs de nombres premiers. Ensuite, on supprime les concordances entre les facteurs du numérateur et du dénominateur.

Quels sont les fractions irréductibles ?

Ils – Fractions, fractions irréductibles, cas particulier des fractions décimales.d’une alvéole pulmonaire, la longueur de l’intestin, la capacité de stockage d’un disque dur, la n’abordent la notion de fraction irréductible qu’en 3e.

Comment simplifier une fraction ?

Simplifier une fraction, c'est l'écrire avec un numérateur et un dénominateur plus petits. En pratique, cela revient à diviser le numérateur et le dénominateur par un même nombre. Une fraction est irréductible lorsque l’on ne peut plus la simplifier, c'est-à-dire que son numérateur et son dénominateur n'ont aucun diviseur commun autre que 1.

Qu'est-ce que la simplification de fractions ?

Simplification de fractions Simplifier une fraction, c'est l'écrire avec un numérateur et un dénominateur plus petits. En pratique, cela revient à diviser le numérateur et le dénominateur par un même nombre.

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