Simplifier au maximum en détaillant: 42/35 ; 45/60 ; 72/48

42/35=7*6/7*5=6/5 45/60=5*9/5*12=9/12=3/4

Bonjour,

42/35
= (6×7)/(7×5)
= 6/5

45/60
= (3×3×5)/(2×2×3×5)
= 3/4

72/48
= ( 2×2×2×2×3×3 ) / ( 2×2×2×2×2×3 )
= 3/2