Calvin can’t decide if he should use 6 or 12 as the common denominator for adding . Which should he choose and why.

Calvin should choose 12 as a common denominator for adding, because if 6 is the denominator it will be a mixed number or improper fraction.

You really would not know. Common denominator is used to add fractions, and without the equation, you would not know whether 6 or 12 would be a better help. The equation determines whether 6 or 12 would be a better choice.

Hope it helps

Step-by-step explanation:

3 is greater then both of those numbers