Explanation: \(\sqrt{(3/2)} - \sqrt{(2/3)} = \sqrt{3}/\sqrt{2} - \sqrt{2}/\sqrt{3}\). Find a common denominator \(\sqrt{6}\): \((\sqrt{3} \cdot \sqrt{3}) / (\sqrt{2} \cdot \sqrt{3}) - (\sqrt{2} \cdot \sqrt{2}) / (\sqrt{3} \cdot \sqrt{2}) = (3 - 2) / \sqrt{6} = 1/\sqrt{6}\).