Question

(-4 3/4)*(-7 4/21)
срочно помогите!!!!​

Answer 1

$- 4 \frac{3}{4} \times ( - 7 \frac{4}{21} ) = \frac{19 \times 151}{4 \times 21} = \frac{2869}{84} = 34 \frac{13}{84}$