berapakah hasil dari 16 1/4 – 4 2/5 + 3 1/2

[tex]16 \frac{1}{4} - 4 \frac{2}{5} + 3 \frac{1}{2} \\ = 16 - 4 + 3 + ( \frac{1}{4} - \frac{2}{5} + \frac{1}{2} ) \\ = 15 + ( \frac{5 - 8 + 10}{20} ) \\ = 15 + ( \frac{7}{20}) \\ = 15 \frac{7}{20} [/tex]