tolong dijawab serta caranya!

3 2/5 : 2 3/7 : 1,5
= 17/5 : 17/7 : 15/10
= 17/5 x 7/17 x 10/15
17 x 7 x 10
= --------------
5 x 17 x 15
= 70 / 75
= 14/15

Semoga membantu