Question

What is the sum of the rational expressions below?
x/5+2/3x

Answer 1

B

Explanation:

x/5 + 2/3x

first you multiply both denominator.

this will be you denominator unless you can simplify it.

denominator=5 x 3X = 15X

now you times both denominator with the opposite numerator.

e.g. 5 x 2 and X x 3X.

=10 and 3X^2

now you and both numerators which is 3X^2 + 10

so the answer is b

Answer 2

B. (3x^2 + 10) / 15x.

Explanation:

The Lowest Common Denominator of 5 and x is 15x so we have the sum:

3x^2 / 15x + 10/15x

= (3x^2 + 10) / 15x.