Сократите дроби: а)20/118, 236/444, 66/102, 128/28, б)108/72, 36/243, 120/168, 720/640.
А)20/118=10/59; 236/444=59/111; 66/102=11/20; 128/28= 4целых 4/7 б)108/72= 1целая 1/9; 36/243=12/81; 120/168=15/21; 720/640=1целая 1/8
А)10/69;59/111;32/7.