Question

WHICH RATIONAL NUMBER SHOULD SUBSTRATED FROM -3/4 TO GET 5/9

Answer 1

let the rational number be x

then according to question

x subtracted from -3/4=5/9

-3/4-x=5/9

(-3-4x)/4=5/9

-3-4x=5/9×4

-3-4x= 20/9

-4x= 20/9+3

-4x= (20+27)/9

-4x=47/9

x=47/9÷-4

x=47/9×1/-4

x=-47/36