Question

Помогите пожалуйста:

Answer 1

1. 1 7/8- 3/4= 1 7/8- 6/8= 1 1/8
2. 1 1/8 +3 5/8=4 6/8=4 3/4
3.4/7+11/14=8/14+11/14=19/14=1 5/14
4.1 5/14-1 3/14 =2/14=1/7
5.5/14:1/7 =5/14 ×7/1=5/2=2 1/2
6.8/19×4 3/4=8/19×19/4=2