- \(9\cdot\frac23=6\);
- \(20\cdot\frac34=15\);
- \(35\cdot\frac35=21\);
- \(27\cdot\frac59=15\);
- \(65\cdot\frac5{13}=25\);
- \(42\cdot\frac56=35\);
- \(28\cdot\frac27=8\);
- \(140\cdot\frac7{10}=98\);
- \(75\cdot\frac{11}{15}=55\).
Ответ: 6; 15; 21; 15; 25; 35; 8; 98; 55.