Question

(-2分之1)+(+3分之1)+(-4分之1)+(+9分之1)+(+8分之1)+(-9分之4)

Answer 1

(-1/2)+(1/3)+(-1/4)+(1/9)+(1/8)+(-4/9)

=(-4/8 -2/8 +1/8)+(1/3)+(1/9 -4/9)

=(-5/8)+(1/3)+(-1/3)

=-5/8