Bonjour
[tex] \frac{416}{1404} = \frac{416 \div 52}{1404 \div 52} = \frac{8}{27} [/tex]
[tex] - \frac{14}{9} = - \frac{14 \times 3}{9 \times 3} = - \frac{42}{27} [/tex]
[tex] \frac{8}{27} - \frac{42}{27} = \frac{8 - 42}{27} = \frac{ - 34}{27} [/tex]
Bonne journée
