Question

Укажите три общих знаменателя дробей 7/10 и 8/15. Найдите наименьший общий знаменатель этих дробей и приведите их к этому знаменателю.

Answer 1

Ответ:

Знаменатели: 30,60,90 НОК=30

21/30 и 16/30

Пошаговое объяснение:

Общий знаменатель 30, 30 на 10=3 умножаем первую дробь на 3. 30 на 15=2 умножаем вторую дробь на 2

Answer 2

Finding Common Denominators for Fractions 7/10 and 8/15

To find the common denominators for the fractions 7/10 and 8/15, we can start by finding the least common multiple (LCM) of the denominators.

The denominators are 10 and 15. The LCM of 10 and 15 is 30.

The common denominator for the fractions 7/10 and 8/15 is 30.

Now, let's convert the fractions to have a common denominator of 30.

For the fraction 7/10: - To convert 7/10 to a fraction with a denominator of 30, we multiply both the numerator and denominator by 3. - 7/10 * 3/3 = 21/30

For the fraction 8/15: - To convert 8/15 to a fraction with a denominator of 30, we multiply both the numerator and denominator by 2. - 8/15 * 2/2 = 16/30

Therefore, the fractions 7/10 and 8/15, when converted to the common denominator 30, become 21/30 and 16/30, respectively. I hope this helps! If you have any further questions, feel free to ask.