3 - 5/7, 4 - 1 7/9, 3 2/5 - 3/5 , 4 1/3 - 1 1/2
Выполните вычисления

3-5/7=2 7/7-5/7= 2 2/74-1 7/9= 3 9/9-1 7/9= 2 2/93 2/5-3/5= 2 7/5-3/5= 2 4/54 1/3- 1 1/2= 13/3-3/2= 26/6-9/6=17/6=2 5/6