tolong saya jawab ini ding no1 asmpsi i

a. 7/9 : 14/15
= 7/9 x 15/14
= 105/125
= 21/25

b. 4/5 : 4/15
= 4/5 x 15/4
= 60/20
= 3

c. 2.4/8 : 5/16
= 20/8 : 5/16
= 20/8 x 16/5
= 320/40
= 8

d. 2/9 : 3.1/3
= 2/9 : 10/3
= 2/9 x 3/10
= 6/90 = 2/30 = 1/15