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The L.C.M. of 23,34,45,911\frac{2}{3},\frac{3}{4},\frac{4}{5},\frac{9}{11}32​,43​,54​,119​​ is:
Question

The L.C.M. of 23,34,45,911\frac{2}{3},\frac{3}{4},\frac{4}{5},\frac{9}{11}​ is:

A.

45

B.

27

C.

55

D.

36

Correct option is D

Given:

Fractions: 23,34,45,911\frac{2}{3}, \frac{3}{4}, \frac{4}{5}, \frac{9}{11}​​

Formula Used:

LCM of fractions =LCM of numeratorsHCF of denominators \frac{\text{LCM of numerators}}{\text{HCF of denominators}}

Solution:

LCM =LCM of 2,3,4,9HCF of 3,4,5,11=361=36=\frac{\text{LCM of 2,3,4,9}}{\text{HCF of 3,4,5,11}} = \frac{36}{1} = 36

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