![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
\ \
\ \
Write the prime factorization of each denominator. \ \
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5ddc8967ca3f34b1ac03a1610952c9fe.png\")
\ \
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6afcd2c96b6ef122d3ac2a18b6b996a0.png\")
\ \
![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
\ \
Write the prime factors of each number in the exponential form. \ \
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a47f4ec05a470e584c6f0057cd27eac3.png\")
\ \
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=fce7d0a3d46db28b78963e88ec0cc27d.png\")
![\"\"](\"/userfiles/image/steps_images/step3.JPG\")
\ \
Multiply the highest power of each factor in either number. \ \
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=adbc9525a1c5b3c40f61a49691da98b0.png\")
\ \
Least Common Denominator of 42 and 21 is 126.![\"\"](\"/userfiles/image/steps_images/step4.JPG\")
\ \
Rewrite the equivalent fractions using the LCD. \ \
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=06548538281d02730b8755f637b6a7b4.png\")
\ \
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8cbc34689ee10e614bf4a10f96246a16.png\")
\ \
![\"\"](\"/userfiles/image/steps_images/step5.JPG\")
\ \
Compare the numerators. Numerators are not same and 40> 33. \ \
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=17ca06b18003d0a96e9090abca00dd2a.png\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
\ \
The true statement is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0b6ba468f76a23f5d01fb8360e21c346.png\")
.