Multiple Choice

In a technical training workshop for plant operators, a technician is tasked with standardizing the procedure for adding rational expressions such as 512x2y+421xy2\frac{5}{12x^2y} + \frac{4}{21xy^2}. According to the standard algebraic protocol, which mathematical value must be determined to find the numerical coefficient of the Least Common Denominator (LCD)?

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Updated 2026-04-21

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