![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
To add fractions the denominators must be equal.
\Find the least common denominator (LCD).
\Write the prime factorization of each denominator.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ef13ecf471d567db03a86fbc486e709c.png\")
Multiply the highest power of each factor in either number.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3a2428c0defba430847e6737c8e5304d.png\")
LCD of the fractions is 36.![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
Rewrite the equivalent fractions using the LCD.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1f959908767344ed42e1094d1762cbb0.png\")
Rewrite the expression using the LCD.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6f532098accef9b9cf684bd1c25dbb21.png\")
![\"\"](\"/userfiles/image/steps_images/step3.JPG\")
Denominators are same, write sum of numerators over denominator. ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5d38f58ebfa9dca6b8a79d24a0855eeb.png\")
Add the numerators.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8346423d7ed5c7c782e7ea0d6592a674.png\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
The simplified expression is![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=21b760fe67f2fceca664490b861bf87a.png\")
. \ \