You find the lcm by finding the prime factors of each number, then combine these prime factors with leaving out the duplicates:
14 = 2x7
7 = 7
4 = 2x2
2 = 2
lcm = 2x7x2 = 28
(7, 2 and 2 are duplicates)
Step-by-step explanation:
To solve for u, remove the fraction.
<u>Multiply each side by 10 to remove the fraction;</u>

Answer:
d + q + p= ¢
Step-by-step explanation:
you add all the variables
They are alike because you are just doubling the number by 2