hasil dari 2 4/8:3 2/6:15/18

2 4/8 : 3 2/6 : 15/18
=> 20/8 : 20/6 : 15/18
=> 20/8 x 6/20 x 18/15
=> 2160/2400
=> 216/240
=> 27/30
=> 9/10
=> 0,9

semoga membantu ^_^