Question

Combine like terms to simplify the expression
-2/3a+5/6a-1/6

Answer 1

I got a common denominator on the terms with 'a' in them and then added the coefficients.

Answer 2

`-(2)/(3)a+(5)/(6)a-(1)/(6)=-(4a)/(6)+(5a)/(6)-(1)/(6)=(-4a+5a-1)/(6)=(a-1)/(6)`