найди разность и запиши в виде несократимой дроби:
11/12 - 1/6, 5/36 - 1/9, 19/20 - 4/5, 5/7 - 3/14, 20/63 - 2/9, 11/24 - 5/12, 5/18 - 1/6, 1/4 - 3/16

11/12-1/6=(11-2)/12=9/12=3/45/36-1/9=(5-4)/36=1/3619/20-4/5=(19-16)/20=3/205/7-3/14=(10-3)/14=7/14=1/220/63-2/9=(20-14)/63=6/63=2/3111/24-5/12=(11-10)/24=1/245/18-1/6=(5-3)/18=2/18=1/91/4-3/16=(4-3)/16=1/16