Question

hcf of 1/2,2/3,3/4,4/5 is​

Answer 1

HCF of { 1/2 , 2/3 , 3/4 , 4/5 } = HCF of { 1 , 2, 3 , 4 }/ LCM of { 2 , 3 , 4 , 5 }  

HCF of { 1, 2, 3 , 4 , } = common factor of { 1, 2, 3 , 4 } = 1  

LCM of { 2 , 3 , 4 , 5} = 4 × 5 × 3 = 60  

so, HCF = 1/60

Answer 2

Refer to this attachment