Question

Find the rational number between 1/4 and 1/2

Answer 1

The LCM of 4 and 2 is 2
So 1/2 is 2/4

1/2 = 0.5
1/4 = 0.25

The rational no. between them is 0.26,0.27,0.28 and so on

Answer 2

let (y-x)/(n+1)
x=1/4,y1/2,n=1
=(1/4-1/2)/(1+1)
=(1-2/4)/(2)
=(-1/4)/2
=-1×2/4
=-2/4
=-1/2