Find the LCM of 3 over 2 , 81 over 16 and 9 over 8 .

Find the LCM of ${3{} \over 2}$ , ${81{} \over 16}$ and ${9{} \over 8}$ .

Show answer & explanation

Correct answer: B

Explanation

The correct answer is option 2 i.e. ${81{} \over 2}$ .

LCM of the fraction = LCM of numerator/HCF of denominator

Required LCM of fraction = LCM of (3, 81 and 9)/(HCF of 2, 16 and 8)

⇒ 81/2

SSC CPO 2023 PYQ — Question 120