Question

​знайди добуток 1 13/14 * 2 1/3

Answer 1

$1 \frac{13}{14} \times 2 \frac{1}{3} = \frac{27}{14} \times \frac{7}{3} = (27 \times 7) (14 \times 3) = \frac{189}{42 } =4 \frac{1}{2 }$