Сократите обыкновенные дроби (385 - 386) 6/14, 10/22, 12/14, 14/16, 18/28, 20/26, 5/15, 10/35, 6/18, 14/49, 16/40, 100/200

6/14=3/7 10/22=5/11 12/17=6/7 18/28=9/14 20/26=10/13 5/15=1/3 6/18=2/9 14/49=2/7 16/40=8/20

6/14(:2)=2/7 10/22(:2)=5/11 12/14(:2)=6/7 14/16(:2)=7/8 18/28 (:2)=9/14 20/26 (:2)=10/13 5/15 (:5)=1/3 10/35 (:5)=2/6 6/18 (:3)=2/6 14/49 (:7)=2/7 16/40 (:4)=4/10 100/200 (: 50)=2/4