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If LCM (18,21) = 126 find HCF​
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If LCM (18,21) = 126 find HCF​

User Nels Beckman
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1 Answer

2 votes

Answer:

3

Explanation:

HCF(a, b) x LCM(a, b) = a x b

We are given that LCM(18, 21) = 126. Let's use this to find the HCF:

HCF(18, 21) x 126 = 18 x 21

HCF(18, 21) = (18 x 21) / 126

HCF(18, 21) = 3

Therefore, the HCF of 18 and 21 is 3.

User PMBjornerud
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