Выполнить вычитание смешанных дробей 1-1/5; 1-3/7; 2-1/2; 4-4/5; 6-2целых1/3; 8-5целых1/2; 3целых 3/4-1 целая1/4; 1цел5/6-1цел1/6; 4цел2/9-1цел1/6; 7цел3/8-7цел1/4; 3цел1/6-5/6; 2цел1/4-3/4; 3цел1/7-1цел5/7; 4цел1/3-3цел2/3

1-1/5=4/5;1-3/7=4/7;2-1/2=1цел1/2;4-4/5=3цел1/5;6-2целых1/3=3цел2/3;8-5целых1/2=2цел1/2;3целых 3/4-1 целая1/4=2цел1/2;1цел5/6-1цел1/6=4/6=2/3;4цел2/9-1цел1/6=4цел4/18-1цел3/18=3цел1/18;7цел3/8-7цел1/4=7цел3/8-7цел2/8=1/8;3цел1/6-5/6=2цел7/6-5/6=2цел1/3;2цел1/4-3/4=1цел5/4-3/4=1цел1/2;3цел1/7-1цел5/7=2цел8/7-1цел5/7=1цел3/7;4цел1/3-3цел2/3=3цел4/3-3цел2/3=2/3.