hasil dari 12-4 7/10

[tex]12 - 4 \frac{7}{10} \\ \\ = \frac{12}{1} - \frac{47}{10} \\ \\ = \frac{120}{10} - \frac{47}{10} \\ \\ = \frac{73}{10} \\ \\ = 7 \frac{3}{10} [/tex]