Выполни умножение или деление дробей из задания 15

2/3 * 9/14 = 18/42 = 3/7 4/5 * 15/16 = 60/80 = 3/4 3/7 * 8/21 = 24/147 = 8/49 12/23 * 1 = 12/23 17/39 * 0 = 0 2/5 : 4/5 = 2/5 * 5/4 = 10/20 = 1/2 3/7 : 9/14 = 3/7 * 14/9 = 42/63 = 2/3 5/8 : 1/40 = 5/8 * 40/1 = 200/8 = 25 3/17 : 2/51 = 3/17 * 51/2 = 153/34 = 4 17/34 = 4 1/2 2/11 : 4/77 = 2/11 * 77/4 = 154/44 = 3 22/44 = 3 1/2 3/4 * 2 = 6/4 = 1 2/4 = 1 1/2 12/13 : 7/13 = 12/13 * 13/7 = 156/91 = 1 65/91 = 1 5/7 33/34 : 1/34 = 33/34 * 34/1 = 1122/34 = 33 3 * 5 1/3 = 3 * 16/3 = 48/3 = 16 64/76 * 16/19 = 1024/1444 = 256/361 12/25 * 5/16 = 60/400 = 3/20 12/19 * 1/24 = 12/456 = 1/38 8/13 * 13/8 = 104/104 = 1 23/72 * 72/23 = 1656/1656 = 1 3/8 * 5/7 = 15/56 5/16 * 6/8 = 30/128 = 15/64 0 : 23/45 = 0 3 1/4 = 13/4 10 * 5 2/5 = 10 * 27/5 = 270/5 = 54 0 : 2 1/7 = 0 3 5/16 * 1 = 53/16 2 17/18 : 1 = 53/18 4 1/2 : 6 3/4 = 9/2 : 27/4 = 9/2 * 4/27 = 36/54 = 2/3 1 51/93 : 1 5/31 = 144/93 : 36/31 = 144/93 * 31/36 = 4464/3348 = 4/3 = 1 1/3 2 1/2 * 3 1/15 = 5/2 * 46/15 = 230/30 = 23/3 = 7 2/3 4 3/9 * 3/4 = 39/9 * 3/4 = 117/36 = 13/4 = 3 1/4 1 6/7 * 3/10 = 13/7 * 3/10 = 39/70 8 : 4/7 = 8 * 7/4 = 56/4 = 14