The __________ of $\frac { x - 8 } { x + 7 }$ and $\frac { 6 - 5 x } { x }$ is $x ( x + 7 )$ .
A) greatest common denominator
B) greatest common numerator
C) least common denominator
D) least common numerator
E) greatest common factor

Question

Quizplus · Accepted Answer

The least common denominator (LCD) is the smallest common multiple of the denominators of two or more fractions. In this case, the denominators are $x + 7$ and $x$, so their least common denominator is indeed $x(x + 7)$, which is the product of the two since they have no common factors.

The __________ Of x−8x+7\frac { x - 8 } { x + 7 }x+7x−8​

The __________ Of $\frac { x - 8 } { x + 7 }$