A few days ago
Least common multiples?
Okay, so my friend and I are doing our homework over the phone. We’re both 14 and she just moved to London. This is her homework:
Find the LCM of the following:
7 and 4 (obviously 24)
p and q (????)
3a and 2b (??????)
3y and y squared (??????????????)
xy and xyz (I’m guessing x)
How the heck do you do these? Since she’s American, the teachers are cutting her some slack on these problems.
ANy ideas?
Thanks!
Top 5 Answers
A few days ago
Favorite Answer
For starters, 6×4=24. 7×4=28
All you do is simplify (if possible) and multiply the two numbers together. That’s it. It’s that easy.
Now for your answers:
7 and 4=28
p and q=pq
3a and 2b=6ab
3y and y squared =3ycubed (3y^3)
xy and xyz=x-squared y-squared z (x^2y^2z)
0
A few days ago
all i know is that the one with 3a and 2b the aand b hasto be a varible for example 3a could satand for 36 which means to mutilply 3×6 to get 18
0
A few days ago
7 and 4 (obviously 24) obviously not 24, its 28
p and q (????) LCM = pq
3a and 2b (??????) LCM = 6ab
3y and y squared (??????????????) = 3y^2
xy and xyz (I’m guessing x) = xyz
You take the biggest power of each factor.
1
A few days ago
I thinks its pq, but the others i think would be wrong..
0
A few days ago
pq
6ab
3yyy
xxyyz
0
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