1.\:\:3\frac{2}{3}\cdot 4\frac{3}{5}
                                
                             
                                                    
                                
                                    2.\:\:5\frac{3}{7}\cdot 6\frac{4}{6}
                                
                             
                                                    
                                
                                    3.\:\:2\frac{5}{8}\cdot 8\frac{8}{9}
                                
                             
                                                    
                                
                                    4.\:\:4\frac{6}{10}\cdot 2\frac{5}{6}
                                
                             
                                                    
                                
                                    5.\:\:9\frac{1}{6}\cdot 3\frac{4}{7}
                                
                             
                                                    
                                
                                    6.\:\:8\frac{6}{9}\cdot 3\frac{2}{5}
                                
                             
                                                    
                                
                                    7.\:\:7\frac{5}{9}\cdot 4\frac{3}{10}
                                
                             
                                                    
                                
                                    8.\:\:2\frac{1}{2}\cdot 6\frac{2}{6}
                                
                             
                                                    
                                
                                    9.\:\:7\frac{3}{8}\cdot 3\frac{4}{5}
                                
                             
                                                    
                                
                                    10.\:\:8\frac{5}{7}\cdot 2\frac{7}{8}