помогите решить: 1-8/15 3-2/11 6 7/15-3 1/5 10 3/23-7 19/46
1-8/15 = 7/15
3-2/11=2 9/11
6 7/15-3 1/5= 6 7/15-3 3/15=3 4/15
10 3/23-7 19/46 = 10 6/46-7 19/46 = 9 52/46-7 19/46 = 2 33/46