Question

three rational between 1/3 and1/2

Answer 1

use a+b/2 formula
1/3+1/2/2
2+3/6/2
5/12
1/3,5/12,1/2
next
1/3+5/12/2
4+5/12/2
9/24
1/3,9/24,5/12,1/2
next
5/12+1/2/2
5+6/12/2
11/24
on the whole
1/3,19/24,5/4,11/24,1/2

Answer 2

convert them into like fractions

lcm=6

1*2 / 3*2  = 2/6
1*3 / 2*3  = 3/6

multiply by 4 to get more nos. 

8/24
12/24

three rationals :
9/24
10/24
11/24