Реши примеры.

Запиши ответ обыкновенной несократимой дробью, используя символ «/». Пример: \(\dfrac17=1/7\).

\(\displaystyle\frac{12}{77}+\frac{14}{77}+\frac{15}{77}\) \(=\) [ ]

\(\displaystyle\frac{6}{90}+\frac{42}{90}+\frac{13}{90}\) \(=\) [ ]

\(\displaystyle\frac{1}{125}+\frac{35}{125}+\frac{66}{125}\) \(=\) [ ]

\(\displaystyle\frac{6}{17}+\frac{2}{17}+\frac{8}{17}\) \(=\) [ ]

\(\displaystyle\frac{12}{57}+\frac{12}{57}+\frac{19}{57}\) \(=\) [ ]

\(\displaystyle\frac{8}{43}+\frac{13}{43}+\frac{21}{43}\) \(=\) [ ]