Please help, what two fractions have unlike denominators but the LCD is not the product of the denominators?

Please help what two fractions have unlike denominators but the LCD is not the product of the denominators class=

Respuesta :

bcalle
If the denominators are (x + 4) and (x^2 - 16)
The LCD would be (x^2 - 16) which is NOT the product of the two denominators.

5/(x + 4)  + 6/ (x^2 - 16)

5(x - 4) /(x^2 - 16)  +    6/(x^2 - 16)
Does this make sense to you? If not ask more questions.