Answer:
1.9/4
2.5/6
3.8
4.2 1/2
Step-by-step explanation:
1.3/8÷1/6
3/8*6/1
18/8
=9/4
2.5/9÷2/3
5/9*3/2
15/18
=5/6
3.6/1÷3/4
6/1*4/3
24/3
=8
4.55/8÷11/4
55/8*4/11
220/88
=2 1/2