Вычислите произведения дробей: 2/5 · 3/4; 1/7 · 2/3; 4/5 · 6/5; 1/8 · 7/9; 2/3 · 6/7; 5/6 · 4/10; 11/14 · 7/22; 4/15 · 5/8; 3/10 · 2/6; 17/33 · 11/34.

При умножении дробей перемножаем числители и знаменатели, затем сокращаем результат.

1. \(\frac{2}{5}\cdot\frac{3}{4}=\frac{6}{20}=\frac{3}{10}\).
2. \(\frac{1}{7}\cdot\frac{2}{3}=\frac{2}{21}\).
3. \(\frac{4}{5}\cdot\frac{6}{5}=\frac{24}{25}\).
4. \(\frac{1}{8}\cdot\frac{7}{9}=\frac{7}{72}\).
5. \(\frac{2}{3}\cdot\frac{6}{7}=\frac{12}{21}=\frac{4}{7}\).
6. \(\frac{5}{6}\cdot\frac{4}{10}=\frac{20}{60}=\frac{1}{3}\).
7. \(\frac{11}{14}\cdot\frac{7}{22}=\frac{77}{308}=\frac{1}{4}\).
8. \(\frac{4}{15}\cdot\frac{5}{8}=\frac{20}{120}=\frac{1}{6}\).
9. \(\frac{3}{10}\cdot\frac{2}{6}=\frac{6}{60}=\frac{1}{10}\).
10. \(\frac{17}{33}\cdot\frac{11}{34}=\frac{187}{1122}=\frac{1}{6}\).