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1. The H.C.F. of $\frac{a}{b}, \frac{c}{d}, \frac{e}{f}$ is equal to = ?

A. $\frac{LCM of a, c, e}{HCF of b, d . f}$

B. $\frac{HCF of a, c, e}{LCM of b, d, f}$

C. $\frac{HCF of a, c, e}{HCF of b, d . f}$

D. $\frac{a c e}{b d f}$

Solution:

\begin{aligned} HCF of fractions \\ = \frac{HCF of Numerators}{LCM of Denominators} \\ HCF of \frac{a}{b}, \frac{c}{d}, \frac{e}{f} \\ = \frac{HCF of a, c, e}{LCM of b, d, f} \end{aligned}

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