Question

find 4 rational no between 1/4 and 3/5​

Answer 1

let x = 1/4 and y = 3/5

we know

1/2(x+y)

1/2 (1/4+3/5)

1/2 ( 5+4/20)

1/2×9/20

9/40

let x = 9/40 and y= 1/4

1/2(9/40+1/4)

1/2 (9+10/40)

1/2×19/40

19/80