How are a common denominator and a common multiple alike and how are they different?

Answer 1

Please answer this question I need help :×

Answer 2

What is 7 x 3?(this is easy if your in 3-4, or higher grade level)
A. 43
B. 65
C. 21
D.35

Answer 3

(Ez one) 16 + 10=______
A. 26
B. 89
C.100
D. None of the above.

Answer 4

The LCD is the same as the LCM.