Главная
/
Математика
/
Cenng ((3)/(14)+(13)/(21))cdot 9 __

Вопрос

cenng ((3)/(14)+(13)/(21))cdot 9 __

Решения

4.6 (111 Голоса)
Зоран
Экспертная проверка
профессионал · Репетитор 6 лет

Ответ

To solve the expression \((\frac{3}{14} + \frac{13}{21}) \cdot 9\), follow these steps:1. **Find a common denominator for the fractions**: The denominators are 14 and 21. The least common multiple (LCM) of 14 and 21 is 42.2. **Convert each fraction to have the common denominator**: 3. **Add the fractions**: 4. **Simplify the fraction**: 5. **Multiply the result by 9**: So, the final answer is: