(- 7 and one eighth) + (- 3.37) + 6 and one fourth + 2.125 + (- 0.25) + (- 2.63)

(- 7 and one eighth) + (- 3.37) + 6 and one fourth + 2.125 + (- 0.25) + (- 2.63)

Original formula = - 7-1 / 8-3-0.37 + 6 + 1 / 4 + 2 + 1 / 8-1 / 4-2-0.63
=(-7-3+6+2-2)+(-1/8+1/8-0.37-0.63+1/4-1/4)
=-4-1
=-5