Question

Find the LCM of 7/8,6/7,4/5,5/6

Answer 1

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Answer 2

given,

the fractions are 7/8 , 6/7 , 4/5 , 5/6.

we know that,

LCM of fraction = LCM of numerator / HCF of denominator

= LCM of 7,6,4,5 / HCF of 8,7,6,5

4 = 2 × 2

5 = 5 × 1

6 = 2 × 3

7 = 7 × 1

8 = 2 × 2 × 2

LCM of 7,6,5,4 = 1 × 2 × 2 × 3 × 5 × 7 = 420

HCF of 8,7,6,5 = 1

= 420/1

= 420

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