Answer :

skf42801
2/4 = 9/18 & 14/28
4/6 = 16/24 & 30/45
6/9 = 8/12 & 32/48 
munchken
(2/3)= (4/6) & (6/9)
(4/6)= (8/12) & (2/3)
(6/9)= (2/3) & (12/18)

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