If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Add & subtract rational expressions (basic)

You might need: Calculator

Problem

Add.
The numerator should be expanded and simplified. The denominator should be either expanded or factored.
start fraction, 2, divided by, x, minus, 4, end fraction, plus, start fraction, 9, divided by, x, plus, 3, end fraction, equals
Stuck?
Stuck?