Multiple Choice

A junior accountant is simplifying the variance formula 6−2412\frac{6 - \sqrt{24}}{12} for a financial report. After simplifying the radical, the expression is written as 6−2612\frac{6 - 2\sqrt{6}}{12}. Before the accountant can reduce the fraction further, they must recall the rule for canceling numerical values. Which of the following is the correct rule to apply at this stage?

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Updated 2026-09-18

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