How do I find the least common denominator of these fractions 3 over 4 7 over 16 and 5 over 8?

The LCD is the LCM (least common multiple) of all the denominators The LCM of 4, 16, and 8 is 16 which is the multiple of the highest power of prime factors from all of the given numbers (2 4 16) Prime factors: 4 = 2 2 16 2 4 8 = 2 2 (highest power shown in bold type) The given fractions with an LCM would be 12/16, 7/16, and 10/16.

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