Question

8. Calculate: 3 by 4*5 by 6+2 by 3*1 by 4

Answer 1

$\frac{3}{4} \times \frac{5}{6} + \frac{2}{3} \times \frac{1}{4} \\ \\ = > \frac{5}{8} + \frac{1}{6} \\ \\ = > \frac{30 + 8}{48} \\ \\ = > \frac{38}{40} \\ \\ = > \frac{19}{20}$