1. **Stating the problem:** Simplify the fraction $\frac{18}{24}$. 2. **Formula and rules:** To simplify a fraction, divide the numerator and denominator by their greatest common divisor (GCD). 3. **Find the GCD:** The factors of 18 are 1, 2, 3, 6, 9, 18. The factors of 24 are 1, 2, 3, 4, 6, 8, 12, 24. The greatest common factor is 6. 4. **Divide numerator and denominator by the GCD:** $$\frac{18}{24} = \frac{\cancel{6} \times 3}{\cancel{6} \times 4}$$ 5. **Simplify the fraction:** $$\frac{3}{4}$$ 6. **Final answer:** The simplified form of $\frac{18}{24}$ is $\frac{3}{4}$. This means the fraction $\frac{18}{24}$ can be reduced to $\frac{3}{4}$ by dividing both numerator and denominator by their greatest common divisor, 6.