Mixed Numbers and Fractions Concepts

The video tutorial from Moomoomath and Science explains how to add mixed numbers. It begins by converting mixed numbers to improper fractions, then finding a common denominator. The fractions are added together, and the result is simplified if possible. The tutorial includes two examples, demonstrating each step in detail, from conversion to finding the lowest common denominator, adding the fractions, and converting the result back to a mixed number. The video concludes with a recap of the process.

What is the first step in adding mixed numbers?

• Add the whole numbers

• Find a common denominator

• Convert to improper fractions

• Simplify the fractions

How do you convert a mixed number to an improper fraction?

• Multiply the numerator by the denominator

• Add the whole number to the numerator

• Subtract the numerator from the whole number

• Multiply the whole number by the denominator and add the numerator

What method is used to find the lowest common denominator in the video?

• Subtraction method

• Division method

• Addition method

• Multiplication method

After finding a common denominator, what is the next step?

• Simplify the fractions

• Multiply the fractions

• Add the fractions

• Convert back to mixed numbers

What is the result of adding 57/15 and 55/15?

• 102/15

• 112/15

• 110/15

• 115/15

How do you convert an improper fraction to a mixed number?

• Add the numerator to the denominator

• Subtract the numerator from the denominator

• Divide the numerator by the denominator

• Multiply the numerator by the denominator

What is the mixed number form of 112/15?

• 6 and 5/15

• 7 and 5/15

• 6 and 7/15

• 7 and 7/15

In the second example, what is the lowest common denominator for 9/4 and 11/3?

• 18

• 15

• 12

• 9

What is the result of adding 27/12 and 44/12?

• 70/12

• 73/12

• 71/12

• 72/12

What is the mixed number form of 71/12?

• 5 and 10/12

• 6 and 10/12

• 6 and 11/12

• 5 and 11/12