ГДЗ по математике 5 класс Ерина Виленкин рабочая тетрадь Часть 1, 2 Часть 2 | Страница 40

\[Стр.\ 40.\]

\[35.\ Приведение\ дробей\ к\ общему\ знаменателю\]

\[\boxed{\mathbf{1.}}\]

\[\textbf{а)}\ \frac{5}{9} = \frac{10}{18}\]

\[\frac{6}{7} = \frac{60}{70}\]

\[\textbf{б)}\ \frac{11}{16} = \frac{44}{64}\]

\[\frac{12}{13} = \frac{36}{39}\]

\[\textbf{в)}\ \frac{1}{15} = \frac{6}{90}\]

\[\frac{3}{4} = \frac{240}{320}\]

\[\boxed{\mathbf{2.}}\]

\[\textbf{а)}\ \frac{7}{9} = \frac{140}{180}\]

\[\textbf{б)}\ \frac{1}{4} = \frac{45}{180}\]

\[\textbf{в)}\ \frac{2}{3} = \frac{120}{160}\]

\[\textbf{г)}\ \frac{5}{18} = \frac{50}{180}\]

\[\boxed{\mathbf{3.}}\]

\[\textbf{а)}\ \frac{3}{4} = \frac{6}{8}\]

\[\textbf{б)}\ \frac{5}{6} = \frac{15}{18}\]

\[\textbf{в)}\ \frac{4}{5} = \frac{24}{30}\]

\[\textbf{г)}\ \frac{7}{10} = \frac{56}{80}\]