Question

hi friends please help me to solve this Question.
I know it's difficult but pleasee help me
​

Answer 1

1)4/9×3/5=0.26

-2/3×3/5=-0.4

5/-7×3/5-0.428 571

2)4/9×5/-11=-0.20

-2/3×5/-11=0.30

5/-7×5/-11=0.324 675

3)4/9×-8/13=-0.273 504

-2/3×-8/13=0.410 256

5/-7×-8/13=0.439 560