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OpenStudy (anonymous):
1/40 + 1/18 =
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OpenStudy (anonymous):
find a common denominator
OpenStudy (anonymous):
try using the LCM for 40 and 18. do you understand what the LCM is?
OpenStudy (anonymous):
No not really
OpenStudy (anonymous):
its going to be 360 for CD
OpenStudy (anonymous):
ok
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OpenStudy (anonymous):
multiply 40 * 9 and 18 * 20
OpenStudy (anonymous):
9/360
OpenStudy (anonymous):
20 / 360
OpenStudy (anonymous):
= 29/360
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