Вычислите: 3/4 × 5/7; 2/3 × 4/5; 3/7 × 1/4; 3/5 × 4/5; 4/11 × 3/4; 3/7 × 7/8; 5/9 × 2/5; 11/12 × 6/7.

При умножении дробей перемножаем числители и знаменатели. Если возможно, сокращаем результат.

1. \(\frac{3}{4}\times\frac{5}{7}=\frac{15}{28}\).
2. \(\frac{2}{3}\times\frac{4}{5}=\frac{8}{15}\).
3. \(\frac{3}{7}\times\frac{1}{4}=\frac{3}{28}\).
4. \(\frac{3}{5}\times\frac{4}{5}=\frac{12}{25}\).
5. \(\frac{4}{11}\times\frac{3}{4}=\frac{12}{44}=\frac{3}{11}\).
6. \(\frac{3}{7}\times\frac{7}{8}=\frac{21}{56}=\frac{3}{8}\).
7. \(\frac{5}{9}\times\frac{2}{5}=\frac{10}{45}=\frac{2}{9}\).
8. \(\frac{11}{12}\times\frac{6}{7}=\frac{66}{84}=\frac{11}{14}\).