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Aider moi a faire mes exercices la questions c'est.Rendre irreductible les fractions suivantes 84sur120, 225sur175, 117sur65,7920sur4320,792sur1056

Répondre :

84/120 = 28/40 = 14/20 = 7/10

225/175 = 45/35 = 9/7

117/65 = 9/5

7920/4320 = 792/432 = 88/48 = 22/12 = 11/6

792/1056 = 132/176 = 66/88 = 6/ 8 = 3/4