Exercice 83 :
a) 3 000/700
= [tex] \frac{3 000 / 100}{700 / 100} [/tex]
= 30/7
b) 315/270
= [tex] \frac{315 / 5}{270 / 5} [/tex]
= 63/54
= [tex] \frac{63 / 9}{54 / 9} [/tex]
= 7/6
c) 165/195
= [tex] \frac{165 / 5}{195 / 5} [/tex]
= 33/39
= [tex] \frac{33 / 3}{39 / 3} [/tex]
= 11/13
d) 352/480
= [tex] \frac{352 / 8}{480 / 8} [/tex]
= 44/60
= [tex] \frac{44 / 4}{60 / 4} [/tex]
= 11/15
