Question

Guys deal with this question

Answer 1

`(7)/(20) + ( - (3)/(4) ) =`

`(7)/(20) - (3)/(4) =`

7 x 1 = 7

5 x 3 = 15

20 x 1 = 20

`= (7 - 15)/(20)`

`= ( - 8)/(20)`

`= - (8)/(20)`

`= - (2)/(5)`

So, the number that belongs in the green box is 2.