Evaluate
\frac{15\left(a+1\right)}{2}
Expand
\frac{15a+15}{2}
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\frac{\left(a+1\right)\times 15}{2}
Express \frac{a+1}{2}\times 15 as a single fraction.
\frac{15a+15}{2}
Use the distributive property to multiply a+1 by 15.
\frac{\left(a+1\right)\times 15}{2}
Express \frac{a+1}{2}\times 15 as a single fraction.
\frac{15a+15}{2}
Use the distributive property to multiply a+1 by 15.
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