Предмет: Математика, автор: belova005500

В результате сложения дробей 1/7 и 2/21 получается некоторая несократимая дробь. Запишите, чему равны её числитель и знаменатель.(программа 5 класса)

Ответы

Автор ответа: Букса

Ответ:

Пошаговое объяснение:

1/7 + 2/21 = 3×1/3×7 + 2/21 = 3/21 + 2/21 = 5/21

Числитель = 5

Знаменатель = 21

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