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Exercice 96 :
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Enoncé :
Simplifiez les fractions suivantes :
\(\dfrac{36}{54}\)
\(\dfrac{24}{40}\)
\(\dfrac{48}{60}\)
\(\dfrac{72}{108}\)
↓
Solution :
\(\dfrac{36}{54} = \dfrac{18\times 2}{18\times 3} = \dfrac{2}{3}\)
\(\dfrac{24}{40} = \dfrac{8\times 3}{8\times 5} = \dfrac{3}{5}\)
\(\dfrac{48}{60} = \dfrac{12\times 4}{12\times 5} = \dfrac{4}{5}\)
\(\dfrac{72}{108} = \dfrac{36\times 2}{36\times 3} = \dfrac{2}{3}\)