Dividing Rational Expressions
Dividing rational expressions is like dividing fractions.
Procedure â€”
To Divide Rational Expressions
Step 1 Invert the second fraction and change the division symbol,
Ã·, to the multiplication symbol,
Â·.
Step 2 Factor the numerators and denominators.
Step 3 Cancel all pairs of factors common to the numerators and
denominators.
Step 4 Multiply the numerators. Multiply the denominators.
Note:
Hereâ€™s an example of dividing fractions:
Divide and write the answer in lowest
terms:
Step 1 Invert the second fraction and
change the division symbol,
Ã·, to
the multiplication symbol,
Â·. 

Step 2 Factor the numerators and
denominators. 

Step 3 Cancel all pairs of factors common
to the numerators and
denominators. 

Step 4 Multiply the numerators.
Multiply the denominators. 

Thus,
