Question

lcm of 7/15 and 3/25​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

$\frac{21}{5}$

Step-by-step explanation:

LCM stands for lowest common factor of any given number.

In the question

Given number is $\frac{7}{15}\ and\ \frac{3}{25}$

We know that

LCM of fraction = $\frac{LCM\ of\ numerators}{HCF\ of\ denominators}$

Now, The LCM of numerator that is 7 and 3

$7 = 7\times1$

$3 = 3\times1$

∴ LCM of 3 and 7 = $7\times3\times1 = 21$

and HCF of denominator that is 15 and 25

15 = 3 x 5

25 = 5 x 5

∴ HCF of 15 and 25 = 5

Hence the LCM of  $\frac{7}{15}\ and\ \frac{3}{25} = \frac{21}{5}$