Réponse :
coucou,
il suffit de calculer pgcd (2205 ; 7245)
7245 - 2205 = 5040
5040 - 2205 = 2835
2835 - 2205 = 630
2205 - 630 = 1575
1575 - 630 = 945
945 - 630 = 315
630 - 315 = 315
315 - 315 = 0
Donc pgcd (2205 ; 7245 ) = 315
2205/7245 = ( 2205 : 315) / (7245 / 315) = 7 / 23
good luck !
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Réponse :
coucou,
il suffit de calculer pgcd (2205 ; 7245)
7245 - 2205 = 5040
5040 - 2205 = 2835
2835 - 2205 = 630
2205 - 630 = 1575
1575 - 630 = 945
945 - 630 = 315
630 - 315 = 315
315 - 315 = 0
Donc pgcd (2205 ; 7245 ) = 315
2205/7245 = ( 2205 : 315) / (7245 / 315) = 7 / 23
good luck !