Hasil dari 2 1/2 - 4/5

[tex]2 \frac{1}{2} - \frac{4}{5} \\ \\ = \frac{5}{2} - \frac{4}{5} \\ \\ = \frac{25}{10} - \frac{8}{10} \\ \\ = \frac{17}{10} \\ \\ = 1 \frac{7}{10} [/tex]