Question

find any 2 rational numbers between 2 upon 5 and -3 upon 8

Answer 1

the rational no. is 2 upon 5 and _3upon 8 is -
1/2×(2/5+_3/8)
1/2×1/40
1/80 so first rational no.
and then 1/2×(2/5+1/80)
1/2×33/80
33/160 , the 2nd rational no.