a) (3/7: 6/14): 3/4=
=(3/7x 14/6) x 4/3=
=1x4/3= 4/3
b) (3/25: 4/5) : 9/4=
= (3/25 x 5/4) x 4/9=
= 3/20 x 4/9=1/15
c) (
17/8: 17/35) : 7/16=
=(
17/8x 35/17) x 16/7=
=35/8 x 16/7=10
d) (17/3:21/4) : 34/7=
= (17/3x4/21) x 7/34=
= (17x4)/(3x21) x 7/34=2/9
e) ( 36/13:4) : ( 5/26 :
7/36) =
=9/13 x(7x13)/(5x18) =
=9/13 x(7x13)/(5x18) =7/10
f). ( 3 1/2 : 2 1/2):( 6: 12/19 ) =
= ( 7/2 x 2/5) :( 6x 19/12 ) =
= 7/5 : 19/2 =
= 7/5 : 2/19 =
=14/95
g) 2160/1410: 7200/940 =
= 216/141 x 94/720 =
= 72/47 x 47/360 =
= 72/360=
=1/5