a) 2/11 : 3/5 = 2/11 x 5/3 = 10/33
b) 1/4 : 7/5 = 1/4 x 5/7 = 5/28
c) 5/6 : 7/3 = 5/6 x 3/7 = 15/42 = 5/16
d) 1/3 : 2/9 = 1/3 x 9/2 = 9/6 = 3/2 = 1 intreg si 1/2
e) 5/9 : 1/6 = 5/9 x 6/1 =30/9 = 10/3 =3 intregi si 1/3
f) 2/7 : 1 intreg si 1/3 = 2/7 : 4/3 = 2/7 x 3/4 = 6/28 = 3/14
g) 5 intregi si 1/2 : 4/3 = 11/2 : 4/3 = 11/2 x 3/4 =33/8= 4 intregi si 1/8
h) 5 intregi si 1/2 : 10 intregi si 1/4 = 11/2 : 41/4 =11/2 x 4/41 = 22/41
