31 per 2 dikurang 11 per 4 sama dengan berapa

31/2 - 11/4 = 62/4 - 11/4 = 51/4 = 12 3/4
Semoga membantu:)

[tex] \frac{31}{2} - \frac{11}{4} \\ = \frac{2(31) - 1(11)}{4} \\ = \frac{62 - 11}{4} \\ = \frac{51}{4 } \\ = 12 \frac{3}{4} [/tex]
Maaf Kalau Salah