Answer :
Answer:
[tex]s =\frac{3}{40}[/tex]
Step-by-step explanation:
Let find the middle point between both rationals. That is to say:
[tex]s = \frac{-\frac{1}{4}+\frac{2}{5} }{2}[/tex]
[tex]s = \frac{\frac{-5+8}{20} }{2}[/tex]
[tex]s =\frac{3}{40}[/tex]
