quelle signe mettre 17/24.....1/5=17/120 merci

Bonsoir,

[tex]\dfrac{17}{24}\boxed{\times}\dfrac{1}{5}=\dfrac{17}{120}[/tex]

car 

[tex]\dfrac{17}{24}\times\dfrac{1}{5}=\dfrac{17\times1}{24\times5}=\dfrac{17}{120}[/tex]