-3/5+(-1/5)=-4/5 -2/3+(-3/5)=-10/15+(-9/15)=-19/15=-1 4/15

-4/5+(-5/6)=-24/30+(-25/30)=-49/30= -1 19/30

- 3 1/7+(-1 3/14)= -22/7+(-17/14)=-44/7+(-17/14)=-61/14 =- 4 5/14

madecat    2   14.01.2021 14:41    0