Yes, a common denominator is just the smallest multiple of all numbers in a group.
So the common denominator of 4, 8 and 12 would be 4, because 4 goes into all those numbers.
Answer:
Step by step explanation
Answer:
The Associative Property of Addition
Step-by-step explanation:
illustrated by the statement (3+2.8) + 5= 3+(2.8 +5). So D
Answer:
22.5
Step-by-step explanation:
find the scale factor
13.5/9 = 1.5
or
18/12 = 1.5
Then times 15 by this to get x
15 x 1.5 = 22.5
