![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
Find the Least Common Denominator (LCD) of improper fraction![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=164249c4f94a6a92d960c9a5f2a979e0.png\")
and ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d93f4e0113e9d1b21f5af9aaed21c03b.png\")
.
Find the Least Common Multiplier of 4 and 3.
\Multiples of 4: 4,8,12,16,20,24,.....
\Multiples of 3: 3,6,9,12,15,18,21,24.....
\The least common multiple of 4 and 3 is 12.
\Rewrite each fraction with a common denominator of 12.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=698bd2e6ac06a7d0dc17d75d4013ed3c.png\")
and ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=67e1132380aa0e3314613a2f8edc19a1.png\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step2.JPG\")
Rewrite the addtion using the LCD.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1e77dcbf334f249e8f25eb178c7129a6.png\")
\
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d22b6d834d506f636825ebfad088e699.png\")
(LCM is 12) \ \
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=44d5f1d64e9e327d54d398031129d2ea.png\")
(Add: 9 + 4 = 13)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The sum is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=deb8f6131799ddb7fdedd4ab1c5a151b.png\")
.