Question

Помогите пожалуйста срочно надо

Answer 1

4/8+1/8=5/8;3/27+1/27=4/27;7/8+4/8=11/8;48/49+21/49=1,20/49;5/20+4/20=9/20;7/21+3/21=10,21

Answer 2

6/9-5/9=1/9

Answer 3

48/49-21/49=27/49

Answer 4

14/18-9/18=5/18

Answer 5

30/42-7/42=23/42

Answer 6

25/30-18/30=7/30