Question

12 intregi 3 supra4 -7,2

Answer 1

12$\frac{3}{4}$-7,2⇒$\frac{51}{4}$-7,2⇒$\frac{51}{4}$-$\frac{72}{10}$⇒$\frac{510}{40}$ - $\frac{288}{40}$=$\frac{222}{40}$⇒$\frac{111}{20}$.