Bonjour,
3/4 = (3×15)/(4×15) = 45/60
5/6 = (5×10)/(6×10) = 50/60
7/10 = (7×6)/(10×6) = 42/60
11/12 = (11×5)/(12×5) = 55/60
13/15 = (13×4)/(15×4) = 52/60
42/60 < 45/60 < 50/60 < 52/60 < 55/60
donc : 7/10 < 3/4 < 5/6 < 13/15 < 11/12
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Bonjour,
3/4 = (3×15)/(4×15) = 45/60
5/6 = (5×10)/(6×10) = 50/60
7/10 = (7×6)/(10×6) = 42/60
11/12 = (11×5)/(12×5) = 55/60
13/15 = (13×4)/(15×4) = 52/60
42/60 < 45/60 < 50/60 < 52/60 < 55/60
donc : 7/10 < 3/4 < 5/6 < 13/15 < 11/12