Satu 3 per 4 + 8,75 - 7 sembilan per 10 =

[tex] = 1 \frac{3}{4} + 8.75 - 7 \frac{9}{10} \\ = \frac{7}{4} + \frac{35}{4} - \frac{79}{10} \\ = \frac{35}{20} + \frac{175}{4} - \frac{158}{20} \\ = \frac{52}{20} \\ = \frac{13}{5} \\ = 2 \frac{3}{5} [/tex]