4 4/14 × 3 11/12 × 3 3/7 =

[tex]4 \frac{4}{14} \times 3 \frac{11}{12} \times 3 \frac{3}{7} \\ \frac{2}{7} \times 3 \times \frac{11}{3} \times 3 \times \frac{3}{7} \\ \frac{2}{7} \times 11 \times 3 \times \frac{3}{7} \\ \frac{198}{49} = 4 \frac{2}{49} [/tex]
Maaf ya kalo salah :)
Semoga membantu