What is the first step in adding mixed numbers according to the video?

• Add the fractional parts first.

• Add the whole numbers first.

• Find the least common multiple of the denominators.

• Convert all numbers to improper fractions.

In the example with a common denominator, what is the improper fraction obtained before converting to a mixed number?

• 11/15

• 12/11

• 15/11

• 10/11

How many whole groups of 11 are there in the improper fraction 15/11?

• 0

• 2

• 1

• 3

What is the lowest common denominator used in the example with different denominators?

• 12

• 6

• 24

• 18

In the final example, what is the mixed number obtained from the improper fraction 25/12?

• 1 and 2/12

• 1 and 1/12

• 2 and 1/12

• 2 and 2/12