tolong dijawab ya beserta jalanya

1. 2/3 x 6/8 x 16/32 = 2/3 x 3/4 x 1/2 = 1/4

2. 2/25 : 6/10 : 5/9 = 2/25 x 10/6 x 9/5 = 9/50

3. 1 1/2 : 2 2/3 : 3 3/4 = 3/2 : 8/3 : 15/4 = 3/2 x 3/8 x 4/15 = 3/20