Question

la podeis resolver?
4/9 : (1+1/7-9/3) = .

Answer 1

4/9:(1+1/7-9/3)=4/9:21+3-63/21=4/9:-19/21=84/-171

Answer 2

1 + 1/7 - 9/3  = 1 + 1/7 - 3 = 1/7 - 2 = - 13/7