Помогите пожалуйста решить ПЖЛ очень срочно!!:)!!!

3 3/11 * 7 1/3 = 36/11 * 22/3 = 12/1 * 2/1 = 2410 2/7 * 1 2/9 = 72/7 * 11/9 = 8/7 * 11/1 = 88/7 = 12 4/72 1/2 * 18/25 = 5/2 * 18/25 = 1/1 * 9/5 = 9/5 = 1,85 1/7 * 3 8/9 = 36/7 * 35/9 = 4/1 * 5/1 = 204 1/2 * 14/45 = 9/2 * 14/45 = 1/1 * 7/5 = 7/5 = 1,43 3/5 * 5 5/8 = 18/5 * 45/8 = 9/1 * 9/4 = 81/4 = 20,251 1/24 * 11 1/5 = 25/24 * 56/5 = 5/3 * 7/1 = 35/3 = 11 2/312 4/5 * 3 1/8 = 64/5 * 25/8 = 8/1 * 5/1 = 40