303. Сократите дроби.

1) 27/36 = 3/4; 2) 40/45 = 8/9; 3) 14/28 = 1/2; 4) 21/35 = 3/5; 5) 13/91 = 1/7; 6) 35/98 = 5/14; 7) 37/111 = 1/3; 8) 14/196 = 1/14; 9) 39/169 = 39/169.