1. Original title =2 5/6 +(- 1 again1/3)+(-1/2)+(-3/8)
= 1+(- 3/8) =5/8
2. Original title = (-8 3/7)+(-7.5)+(-214/7)+(+31/2)
=(-8 3/7) +(-2 1 4/7) ++(-7.5)+(+ 3 1/2)
=30-4=26
3. Original title = (-23/4)+(+125/7)+(-4.125)+(+0.75)+(+18)
=(-2 3/4) +(+0.75)+(-4. 125)+(+ 1/8) +(+ 12 5/7)
=-2-4+(+ 12 and 5/7)
=6 and 5/7