Приведите к общему знаменателю дроби:
а) \(\frac{1}{6} \) и \(\frac{1}{4}\)
б) \(\frac{7}{9} \) и \(\frac{7}{12}\)
в) \(\frac{5}{12}\) и \(\frac{3}{10}\)
г) \(\frac{7}{18} \) и \(\frac{10}{27}\)
д) \(\frac{3}{10} \) и \( \frac{3}{14} \)
е) \(\frac{11}{10}\) и \(\frac{11}{15} \)
ж) \(\frac{13}{24}\) и \(\frac{8}{36} \)
з) \(\frac{11}{30} \) и \( \frac{7}{45}\)
и) \(\frac{7}{55} \) и \(\frac{9}{44}\)
к) \(\frac{7}{10} \) и \( \frac{777}{1000}\)
л) \(\frac{43}{2500} \) и \( \frac{411}{7500}\)
м) \(\frac{20}{389} \) и \(\frac{41}{778}\)
\(\frac{1}{6} = \frac{2}{12}, \quad \frac{1}{4} = \frac{3}{12}\).
\(\frac{7}{9} = \frac{28}{36}, \quad \frac{7}{12} = \frac{21}{36}\).
\(\frac{5}{12} = \frac{25}{60}, \quad \frac{3}{10} = \frac{18}{60}\).
\(\frac{7}{18} = \frac{21}{54}, \quad \frac{10}{27} = \frac{20}{54}\).
\(\frac{3}{10} = \frac{21}{70}, \quad \frac{3}{14} = \frac{15}{70}\).
\(\frac{11}{10} = \frac{33}{30}, \quad \frac{11}{15} = \frac{22}{30}\).
\(\frac{13}{24} = \frac{39}{72}, \quad \frac{8}{36} = \frac{16}{72}\).
\(\frac{11}{30} = \frac{33}{90}, \quad \frac{7}{45} = \frac{14}{90}\).
\(\frac{7}{55} = \frac{28}{220}, \quad \frac{9}{44} = \frac{45}{220}\).
\(\frac{7}{10} = \frac{700}{1000}, \quad \frac{777}{1000}\).
\(\frac{43}{2500} = \frac{129}{7500}, \quad \frac{411}{7500}\).
\(\frac{20}{389} = \frac{40}{778}, \quad \frac{41}{778}\).
Решебник
"Математика - Учебник. Часть 2" по предмету Математика за 5 класс.
Aвторы:
Александрова Л.А., Виленкин Н.Я., Жохов В.И., Чесноков А.С., Шварцбурд С.И.
Задание
Приведите к общему знаменателю дроби: а) \(\frac{1}{6} \) и \(\frac{1}{4}\) б) \(\frac{7}{9} \) и \(\frac{7}{12}\) в) \(\frac{5}{12}\) и \(\frac{3}{10}\) г) \(\frac{7}{18} \) и \(\frac{10}{27}\) д) \(\frac{3}{10} \) и \( \frac{3}{14} \) е) \(\frac{11}{10}\) и \(\frac{11}{15} \) ж) \(\frac{13}{24}\) и \(\frac{8}{36} \) з) \(\frac{11}{30} \) и \( \frac{7}{45}\) и) \(\frac{7}{55} \) и \(\frac{9}{44}\) к) \(\frac{7}{10} \) и \( \frac{777}{1000}\) л) \(\frac{43}{2500} \) и \( \frac{411}{7500}\) м) \(\frac{20}{389} \) и \(\frac{41}{778}\)