1/4×3/8-1/12+1/2×1/10=.... Dengan menggunakan cara

[tex] \frac{1}{4} \times \frac{3}{8} - \frac{1}{2} + \frac{1}{2} \ \times \frac{1}{10} \\ = \frac{3}{32} - \frac{1}{2} + \frac{1}{20} \\ = \frac{15}{160} - \frac{80}{160} + \frac{8}{160} \\ = - \frac{57}{160} [/tex]