Find a common denominator, add, then simplify.<br><br>
&bull; LCM of 4 and 12 is 12.<br>
&bull; \( \frac{3}{4} = \frac{9}{12} \)<br>
&bull; \( \frac{9}{12} + \frac{1}{12} = \frac{10}{12} \)<br>
&bull; Simplify: HCF of 10 and 12 is 2. \( \frac{10}{12} = \frac{5}{6} \)<br><br>
Final Answer: \( \frac{5}{6} \)