Solution
LCM of fractions = $$\frac{LCM\ of\ numerator}{HCF\ of\ denominator}$$
= $$\frac{LCM\ of\left(18,\ 6,\ 18\right)}{HCF\ of\ \left(5,\ 5,\ 125\right)}$$ Eq.(i)
LCM of (18, 6, 18)
LCM of (18, 6, 18) = $$2\times3\times3$$
= 18 Eq.(ii)
HCF of (5, 5, 125) = 5 Eq.(iii)
Put Eq.(ii) and Eq.(iii) in Eq.(i).
= $$\frac{18}{5}$$
= 3.6
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