Question

Oblicz: 1\6+2\5

1\6+2\5

1 1\5+8 1\7

8\9-5\6

4 7\10-2 1\3

4 1\5-7\10

6 1\8-2 3\4

10 2\3-6 7\9

9 3\8-2 5\6

Answer 1

 

1\6+2\5 = 5/30 + 12/30 = 17/30

 

1 1\5+8 1\7 = 1 7/35 + 8 5/35

 

8\9-5\6 = 16/18 - 15/18 = 1/18

 

4 7\10-2 1\3 = 4 21/30 - 2 10/30 = 3 11/30

 

4 1\5-7\10 = 4 2/10 - 7/10 = 3 12/10- 7/10 = 3 2/10= 3 1/5

 

6 1\8-2 3\4 = 6 1/8 - 2 6/8 = 5 9/8 - 2 6/8 = 3 2/8 = 3 1/4

 

10 2\3-6 7\9 = 10 6/9 - 6 7/9 = 9 15/9 -6 7/9 = 3 8/7 = 4 1/7

 

9 3\8-2 5\6 = 9 9/24 - 2 20/24= 8 33/24 - 2 20/24=  6 13/24