Explicație pas cu pas:
[tex]|\frac{1}{2} - \frac{5}{6}| + |\frac{7}{4} - \frac{3}{2}| = | \frac{3}{6} - \frac{5}{6} | + | \frac{7}{4} - \frac{6}{4} | = | - \frac{2}{6} | + | \frac{1}{4} | = | - \frac{1}{3} | + \frac{1}{4} = \frac{1}{3} + \frac{1}{4} = \frac{4 + 3}{12} = \frac{7}{12} [/tex]