Question

find three rational number between 1/5 and 1/4 ?

Answer 1

three rational no. between 1/5 and 1/4 are
1/42
1/44
1/45
1/46
1/47

Answer 2

hi friend
1/5 and 1/4 the lcm of 4,5 is 20
4/20 and 5/20
now multiply numerator and denominator by 100
4*100/20*100 and 5*100/20*100
400/2000 and 500/2000
now you can find as many rational numbers as you like
eg 401/2000,450/2000,451/2000