Răspuns:
Explicație pas cu pas:
a)
6/12=1/2 nc =2*3=6 1/2= 3/6
14/21=2/3 2/3 = 4/6
b)
5/20=1/4 nc= 4*5=20 1/4= 5/20
22/55=2/5 2/5= 8/20
c)
9/27= 1/3 nc= 3*4=12 1/3= 4/12
6/36= 1/4 1/4= 3/12
d)
48/60=4/5 nc= 5*7=35 4/5=28/35
32/56=4/7 4/7=20/35
Succes !
