Find the LCM of the fractions $\frac{2}{

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Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

HCF and LCM

Question:

Find the LCM of the fractions $\frac{2}{5}, \frac{3}{7}$ , and $\frac{4}{9}$ .

Options:

$\frac{2}{315}$

$\frac{1}{315}$

Correct Answer:

Explanation:

LCM of fraction = $\frac{LCM\;of\;numerator}{HCF\; of\;denominator}$

The given fractions are : $\frac{2}{5}, \frac{3}{7}$ , and $\frac{4}{9}$

LCM of 2, 3, 4 = 12

HCF of 5, 7, 9 = 1

The LCM of $\frac{2}{5}, \frac{3}{7}$ , and $\frac{4}{9}$ is = $\frac{12}{1}$ = 12