Answer:
4) 1/5
5) 5/28
6) 7/36
Step-by-step explanation:
4) 3/15=1/5
6) 14/72=7/36
3/5 × 1/3 = 1/5
5/7 × 1/4 = 5/28
7/8 × 2/9 = 7/36
