Respuesta :
There are one number is X, and another number is -9/10and sum is 2/3.

let other number be= x
-9/10+x = 3/2
x = 3/2+9/10
x = (15+9)/10
x = 24/10
x = 2.4
-9/10+x = 3/2
x = 3/2+9/10
x = (15+9)/10
x = 24/10
x = 2.4