A5 Which of the given expressions can you transform the expression $\frac{1}{a}+\frac{1}{b}+\frac{1}{c}$ into?
(A) $\frac{3}{a+b+c}$
(B) $\frac{a+b+c}{a b c}$
(C) $\frac{3(a+b+c)}{a b c}$
(D) $\frac{a b+a c+b c}{a b c}$
(E) $\frac{3}{a b c}$

![](https://cdn.mathpix.com/cropped/2024_06_07_91db77e4bb8bf03ce3c4g-2.jpg?height=557&width=482&top_left_y=1686&top_left_x=1438)
A5. The value of the expression $\frac{1}{a}+\frac{1}{b}+\frac{1}{c}=\frac{b c}{a b c}+\frac{a c}{a b c}+\frac{a b}{a b c}=\frac{a b+a c+b c}{a b c}$.