Question

Guys deal with this question

Answer 1

$\frac{7}{20} + ( - \frac{3}{4} ) =$

$\frac{7}{20} - \frac{3}{4} =$

7 x 1 = 7

5 x 3 = 15

20 x 1 = 20

$= \frac{7 - 15}{20}$

$= \frac{ - 8}{20}$

$= - \frac{8}{20}$

$= - \frac{2}{5}$

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