Question

what should be added to minus 9 by 5 to get minus one by 3

Answer 1

X+(-9/5)=-1/3
x-9/5=-1/3
x= 9/5-1/3
x= 27-5 /15
x=22/15

Answer 2

Here is your solution.

Let the unknown number be x.

x + (-9/5) = -1/3

x = -1/3 + 9/5

x = (-5+27)/15

x = 22/15

The number is 22/15