5 th grade math
posted by pat .
what is the mean for the following number? 40,60,55,45,100 ?______
what is the lest Common Multiple (LCM)for 6 and 12 ?_______
please! help me i got stuck with this today!! thank you.

The mean is the average.
40 + 60 + 55 + 45 + 100 = 300
300 / 5 = 60
The least common multiple is the smallest number that each number goes into evenly. The LCM for 6 and 12 is 12. 
Ms. Sue your help is greatly appreciated . May god watching you from above the sky everywhere you go and be safe give you a blessing !!bye!!

You're welcome.