Выполните вычитание 2ц.1/3-2/3; 3ц.1/12-1ц.5/12; .-3ц.2/5; 8ц.-3ц.3/4; 7ц.-1ц.2/3

2 1/3-2/3= 7/3-2/3=5/3=1 2/3;

3 1/12-1 5/12= 37/12-17/12= 20/12=1 8/12=1 2/3;

6 -3 2/5=6/1-17/5=30/5-17/5=13/5=2 3/5;

8 -3 3/4=8/1-15/4=32/4-15/4=17/4=4 2/4=4 1/2;

7- 1 2/3=7/1-5/3=21/3-5/3=16/3=5 1/3