Укротите дроби. 54/72. 56/68. 56/49. 50/75. 49/98. 17/51
54/72 = 27/36 = 9/12 = 3/4; 56/68 = 28/34 = 14/17; 56/49 = 1 7/49 = 1 1/7; 50/75 = 10/15 = 2/3; 49/98 = 1/2; 17/51 = 1/3.
Решите задачу: