Question

Сколько будет
- 42 / 55 : ( - 98 / 99 )
Срочно

Answer 1

$- \frac{42}{55} \div ( - \frac{98}{99} ) = \frac{42}{55} \div \frac{89}{99} = \frac{42}{55} \times \frac{99}{98} = \frac{3}{55} \times \frac{99}{7} = \frac{3}{5} \times \frac{90}{7} = \frac{27}{35}$