Bonjour,
1) 3 300 = 2 x 2 x 3 x 5 x 5 x 11
2) 4 680 = 2 x 2 x 2 x 3 x 3 x 5 x 13
3) 3 300/4 680
= [(2 x 2 x 3 x 5) x (5 x 11)] / [(2 x 2 x 3 x 5) x (2 x 3 x 13)]
= (60 x 55) / (60 x 78)
= 55/78.
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Bonjour,
1) 3 300 = 2 x 2 x 3 x 5 x 5 x 11
2) 4 680 = 2 x 2 x 2 x 3 x 3 x 5 x 13
3) 3 300/4 680
= [(2 x 2 x 3 x 5) x (5 x 11)] / [(2 x 2 x 3 x 5) x (2 x 3 x 13)]
= (60 x 55) / (60 x 78)
= 55/78.