okay so I'm not very good in math but my sister need help with her math can anyone help her the problem is below!

Answer:
6/10 = 0.6
3/25 = 0.12
1/5 = 0.2
14/20 = 0.7
24/50 = 0.48
1/2 = 0.5
8/25 = 0.32
4/10 = 0.4
17/20 = 0.85
6 x 4/8 = 3
6 x 4/12 = 2
8 x 18/8 = 18