Answer:
1 2/3b + 6 2/3
Step-by-step explanation:
[tex]12\frac{1}{3}b+6\frac{2}{3}-10\frac{2}{3}b[/tex]
Combine like terms:
[tex]1\frac{2}{3}b+6\frac{2}{3}[/tex]
Since you cannot do any more combination or simplification, you are done. Hope this helps!