10/40 = 1/49/20 = 9/2072/90 = 4/517/5 = 17/5177/177 = 112/30 = 2/542/56 = 3/485/102 = 5/6180/210 = 6/7525/105 = 5/1 = 5
После сокращения:10/40 = 1/49/20 = 9/2072/90 = 4/517/5 = 17/5177/177 = 112/30 = 2/542/56 = 3/485/102 = 5/6180/210 = 6/7525/105 = 5
10/40 = 1/4
9/20 = 9/20
72/90 = 4/5
17/5 = 17/5
177/177 = 1
12/30 = 2/5
42/56 = 3/4
85/102 = 5/6
180/210 = 6/7
525/105 = 5/1 = 5
После сокращения:
10/40 = 1/4
9/20 = 9/20
72/90 = 4/5
17/5 = 17/5
177/177 = 1
12/30 = 2/5
42/56 = 3/4
85/102 = 5/6
180/210 = 6/7
525/105 = 5