2) (-3 7/15)+(-0,4)+(-6 1/3)=-3 7/15 - 2/5 - 6 1/3 = -3 7/15 - 6/15 - 6 5/15 = -16 3/15 = - 16 1/5
4) (-2 5/8)+(-9,25)+(-3/4)= -2 5/8 - 9 1/4 - 3/4 = -2 5/8 - 9 2/8 - 6/8 = -12 5/8
2) (-3 7/15)+(-0,4)+(-6 1/3)=-3 7/15 - 2/5 - 6 1/3 = -3 7/15 - 6/15 - 6 5/15 = -16 3/15 = - 16 1/5
4) (-2 5/8)+(-9,25)+(-3/4)= -2 5/8 - 9 1/4 - 3/4 = -2 5/8 - 9 2/8 - 6/8 = -12 5/8