Упражнение 280 Помогите пожалуйста
(1/2)+(3/7)=(7/14)+(6/14)=13/14 (1/3)+(1/8)=(8/24)+(3/24)=11/24 (5/6)+(1/3)=(5/6)+(2/6)=7/6=1 1/6 (5/24)+(5/6)=(5/24)+(20/24)=25/24=1 1/24 (1/4)+(1/6)=(3/12)+(2/12)=5/12 (1/6)+(2/9)=(6/36)+(8/36)=14/36=7/18