Question

insert two rational number between 1/4and 1/5
​

Answer 1

Answer:

1/4 × 5/5 = 5/20

1/5 = 5/5 = 5/25

=5/21,

5/22,

5/23

Answer 2

Answer:

let require no.be q1 and q2.

q1=1/2(1/4+1/5)

=1/2×9/20

=9/40

q2=1/2(9/20+1/5)

=1/2×13/20

=13/40.

Hence,the required rational no.'s are-9/40 and 13/40 Ans.