Evaluate
-\frac{b}{3}+a
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-\frac{b}{3}+a
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\frac{2}{3}a+\frac{1}{3}a+\frac{1}{3}\left(-1\right)b
Use the distributive property to multiply \frac{1}{3} by a-b.
\frac{2}{3}a+\frac{1}{3}a-\frac{1}{3}b
Multiply \frac{1}{3} and -1 to get -\frac{1}{3}.
a-\frac{1}{3}b
Combine \frac{2}{3}a and \frac{1}{3}a to get a.
\frac{2}{3}a+\frac{1}{3}a+\frac{1}{3}\left(-1\right)b
Use the distributive property to multiply \frac{1}{3} by a-b.
\frac{2}{3}a+\frac{1}{3}a-\frac{1}{3}b
Multiply \frac{1}{3} and -1 to get -\frac{1}{3}.
a-\frac{1}{3}b
Combine \frac{2}{3}a and \frac{1}{3}a to get a.
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