Perform the indicated operation. Simplify, if possible. $\frac { 4 } { a + 6 } - \frac { 3 } { a }$
A) $\frac { 1 } { a ( a + 6 ) }$
B) $\frac { 13 } { a ( a + 6 ) }$
C) $\frac { a + 6 } { a ( a + 6 ) }$
D) $\frac { a - 18 } { a ( a + 6 ) }$

Question

Quizplus · Accepted Answer

To simplify the expression, find a common denominator, which is $a(a+6)$. Then, rewrite each fraction with the common denominator and subtract: $\frac{4a}{a(a+6)} - \frac{3(a+6)}{a(a+6)} = \frac{4a - 3a - 18}{a(a+6)} = \frac{a - 18}{a(a+6)}$.

Perform the Indicated Operation 4a+6−3a\frac { 4 } { a + 6 } - \frac { 3 } { a }a+64​−a3​

Perform the Indicated Operation $\frac { 4 } { a + 6 } - \frac { 3 } { a }$