Решебник по математике 5 класс Виленкин Часть 1, 2 Часть 2. Параграф 5. Обыкновенные дроби Задание 369

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\[\textbf{а)}\ \frac{3}{4}\ и\ \frac{2}{3}\ \]

\[\frac{3}{4} = \frac{9}{12};\ \ \ \ \ \ \ \frac{2}{3} = \frac{8}{12}\text{.\ }\]

\[\textbf{б)}\ \frac{4}{5}\ и\ \frac{3}{7}\]

\[\frac{4}{5} = \frac{28}{35};\ \ \ \ \ \ \ \frac{3}{7} = \frac{15}{35}\text{.\ }\]

\[\textbf{в)}\ \frac{3}{10}\ и\ \frac{7}{9}\]

\[\frac{3}{10} = \frac{27}{90};\ \ \ \ \ \ \frac{7}{9} = \frac{70}{90}\text{.\ }\]

\[\textbf{г)}\ \frac{5}{8}\ и\ \frac{4}{9}\ \]

\[\frac{5}{8} = \frac{45}{72};\ \ \ \ \ \ \ \ \frac{4}{9} = \frac{32}{72}\text{.\ \ }\]