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Pre-Algebra 18 Online
OpenStudy (anonymous):

Find the LCM of 24 and 40. will medal A. 24 B. 48 C. 96 D. 120

OpenStudy (muzzack):

well do you know what is a LCM

OpenStudy (anonymous):

that the only thing that gives me a hard time

OpenStudy (muzzack):

Let's find the LCM of 30 and 45.

OpenStudy (muzzack):

ex. 1

OpenStudy (muzzack):

One way to find the least common multiple of two numbers is to first list the prime factors of each number.

OpenStudy (muzzack):

so try it with 30 and 45

OpenStudy (anonymous):

ok well for 30

OpenStudy (anonymous):

2,15,10,30,5,6

OpenStudy (anonymous):

3,15,5,9

OpenStudy (muzzack):

now where do you see one number that is the smallest and simiolar

OpenStudy (anonymous):

5 ?

OpenStudy (anonymous):

wait 3

OpenStudy (muzzack):

5 is your answer yes good job now try that with the 24 and 40

OpenStudy (anonymous):

cause the 30 i put before was ment to be a 3

OpenStudy (muzzack):

oh ok 3 then sorry thought it was 30 ok so it is 3

OpenStudy (anonymous):

lol ok now i work with 24 and 40 right?

OpenStudy (muzzack):

yup

OpenStudy (muzzack):

oh i alsmost forgot. welcom to openstudy

OpenStudy (anonymous):

thanks

OpenStudy (anonymous):

ok so fore 24 its : 12 2 3 8 6 4

OpenStudy (anonymous):

*for

OpenStudy (muzzack):

good

OpenStudy (anonymous):

and 40 :20 2 4 10 5 8

OpenStudy (muzzack):

no what do you think it is

OpenStudy (muzzack):

in the multiple choice

OpenStudy (anonymous):

a ?

OpenStudy (muzzack):

it doesnt say 2, but try to find the smallest possible that match with the answer choices

OpenStudy (anonymous):

i say a

OpenStudy (muzzack):

yes tou are correct

OpenStudy (anonymous):

thank u gave u a medal :D

OpenStudy (muzzack):

good job i hope i helped :)

OpenStudy (muzzack):

what grade are you hannah

OpenStudy (anonymous):

6

OpenStudy (muzzack):

6th must be cool for you, ima freshman

OpenStudy (anonymous):

coolz

OpenStudy (muzzack):

well any help fan me and tag me :)

OpenStudy (anonymous):

ok

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