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The sentence
The movie was loud and the chatter was louder.
Should I need to add a comma before the and that joins the first sentence The movie was loud and the independent clause the chatter was louder?
Which one is correct?
The movie was loud and the chatter was louder.
The movie was loud, and the chatter was louder.
I am not a native English speaker. Please explain your answer too.
In this case, "and" is a coordinating conjunction connecting two independent clauses, so a comma is required; #2 is correct.
