17/14-3/2x5/7 svp aidé moi

Bonsoir,

[tex]\dfrac{17}{14}-\dfrac{3}{2}\times\dfrac{5}{7}=\dfrac{17}{14}-\dfrac{15}{14}=\dfrac{2}{14}=\dfrac{1}{7}[/tex]

17/14-3/2*5/7
=17/14-15/14
=2/14
=1/7
simplification : 2/2=1 
                      14/2=7