Question

Общий наименьший знаменатель 4/21 и 13/28​

Answer 1

Ответ:

Пошаговое объяснение:

4/21 и 13/28 ; 16/84 и 39/84

Answer 2

Ответ: 84=4*21=3*28.

Пошаговое объяснение:

Answer 3

Calculating the Least Common Denominator (LCD) of 4/21 and 13/28

To find the least common denominator (LCD) for the fractions 4/21 and 13/28, we need to determine the smallest multiple that both denominators share.

The denominators are 21 and 28. To find the LCD, we can list the multiples of each denominator and find the smallest common multiple.

The multiples of 21 are: 21, 42, 63, 84, 105, 126, 147, 168, 189, 210, 231, 252, 273, 294, 315, 336, 357, 378, 399, 420, ...

The multiples of 28 are: 28, 56, 84, 112, 140, 168, 196, 224, 252, 280, 308, 336, 364, 392, 420, ...

The smallest common multiple of 21 and 28 is 84.

Therefore, the least common denominator (LCD) of 4/21 and 13/28 is 84.

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