Question

9.. The LCM of two numbers is 840 and their HCF is 4. If one number is 28, find
the other. please answer step by step.​

Answer 1

Step-by-step explanation:

LCM of 2 numbers = 576

HCF of 2 numbers = 8

There is a rule, Product of HCF and LCM of 2 numbers = Product of the 1st and 2nd number.

576 * 8 = 64 * 2nd number

2nd number = (576 * 8)/64 = 72.

Answer 2

Other number is 120.

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