Question

which of the there function is the smallest?
(I) 2/7'4/7'3/7
(ii) 1/2'1/4'1/5
(iii) 4/7'5/14'3/24
(iv) 5/9'7/15'2/3​

Answer 1

option 2 followed by option 1 followed by option 3 than followed by 4