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Exercice 103 :
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Enoncé :
Simplifiez les fractions suivantes :
\(\dfrac{500}{750}\)
\(\dfrac{84}{126}\)
\(\dfrac{60}{90}\)
\(\dfrac{45}{60}\)
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Solution :
\(\dfrac{500}{750} = \dfrac{250\times 2}{250\times 3} = \dfrac{2}{3}\)
\(\dfrac{84}{126} = \dfrac{42\times 2}{42\times 3} = \dfrac{2}{3}\)
\(\dfrac{60}{90} = \dfrac{30\times 2}{30\times 3} = \dfrac{2}{3}\)
\(\dfrac{45}{60} = \dfrac{15\times 3}{15\times 4} = \dfrac{3}{4}\)