2.3 per 6 dikurang 30 per 12

2.3/6 - 30/12 = 4.6/12 - 30/12 = 25.4/12 = 2 1.4/12

kaya gini kah soalnya [tex]2 \frac{3}{6} [/tex] - [tex] \frac{30}{12} [/tex] = ([tex] \frac{15}{6} [/tex] - [tex] \frac{30}{12} [/tex] = [tex] \frac{30-30}{12} [/tex] = [tex] \frac{0}{12} [/tex] = 0