Question

For x =3/4 and y = -9/8, insert a rational no. between( i) (x+y)-1 and X-1 + y-1

Answer 1

x=3/4
y=-9/8
(1)-(x+y)-1
=(3/4-9/8)
=(6-9)/8
=3/8
=0.375
(2)-x-1+y-1
=3/4-1-9/8-1
=(6-8-9-8)/8
=-19/8