1 7/9+3 4/9 4 5/13+1 9/13 9-3 11/13 7 4/9-2 5/9 6 2/9-4/9

Question

1 7/9+3 4/9 4 5/13+1 9/13 9-3 11/13 7 4/9-2 5/9 6 2/9-4/9

Answer 1

1) 1.7/9+3.4/9=4.11/9=5.2/11

2)4.5/13+1.9/13=5.14/13=6.1/13

3)9-3.11/13=8.13/13-3.11/13=5.2/13

4)7.4/9-2.5/9=6.13/9-2.5/9=4.8/9

5)6.2/9-4/9=5.11/9-4/9=5.7/9