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To solve the equation using GEMDAS rules, simplify the expression inside the parentheses:
1/4 + 1/3 = 3/12 + 4/12 = 7/12.
Rewrite the equation: 11/12 - (1/4 + 1/3) = 11/12 - 7/12.
Subtract the fractions: 11/12 - 7/12 = 4/12.
Simplify the fraction by dividing both the numerator and denominator by their GCD: 4/12 = 1/3.
Therefore, the solution is 1/3.

To solve the equation, simplify the expression inside the parentheses: 1/4 + 1/3 = 3/12 + 4/12 = 7/12. Rewrite the equation: 11/12 - (1/4 + 1/3) = 11/12 - 7/12. Subtract the fractions: 11/12 - 7/12 = 4/12. Simplify the fraction: 4/12 = 1/3. The solution is 1/3.