9/ 4 : 6 /5= 9/4x5/6=45/24=3/8
adevarat sau fals
a) 4 /5 : 5 /4 = 4/5x5/4=20/20=1 adevarat
b) 3 : 1/ 3 = 3/1x3/1=9 fals
c) 1/ 2: 3/4=1/2x4/3=4/6 fals
scrie rezultatul ca fractie ireductibila
a)7 / 6 : 21/ 22=7/6x22/21=22/6x3=11/6
b)4 : 2 / 3=4x3/2=2x3=6
c)7 / 8 : 3= 7/8x1/3=7/24
d) 13 / 6: 13/3 = 13/6x3/13= 3/6=1/2
e)1 / 8 : 11 / 5 = 1/8 x 5/11 = 5/88
f)25 /8 : 11 / 5 : 5 / 4 = 25/8 x 5/11 x 4/5= 25/22
g) 16 / 3: (5 / 2:15 / 4 ) = 16/3 : ( 5/2 x 4/15)= 16/3 : 2/3 = 16/3 x 3/2 = 16/2 = 8