Short Answer

Verifying Common Denominators in Technical Formulas

A quality control technician is reviewing a manual for fluid dynamics that includes the sum of two flow-rate formulas: 512x2y+421xy2\frac{5}{12x^2y} + \frac{4}{21xy^2}. According to the standard procedure for combining these rational expressions, what is the specific Least Common Denominator (LCD) that must be used?

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Updated 2026-04-18

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