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GCF = 9

To find the LCM, find the prime factorization of each number

9y = 3 * 3 * y

18x = 2 * 3 * 3 * x

LCM = 2 * 3 * 3 * x * y = 18xy

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13y ago
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Q: What is the GCF and LCM of 18x and 9y?
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