Finding the Reciprocal of Mixed Numbers by Renaming as Improper Fractions

The video tutorial explains how to find the reciprocal of mixed numbers by converting them into improper fractions. It covers the concept of reciprocals, demonstrating that multiplying a number by its reciprocal results in one whole. The tutorial provides examples of converting mixed numbers to improper fractions and finding their reciprocals. It also includes a practical problem-solving example involving a stack of books, illustrating the application of these concepts in real-world scenarios.

What is the reciprocal of 1/4?

• 1/4

• 4/1

• 1/2

• 2/1

How do you convert 2 and 1/4 into an improper fraction?

• 5/4

• 8/4

• 9/4

• 10/4

What is the reciprocal of 3/2?

• 1/3

• 3/1

• 3/2

• 2/3

What is the first step in finding the reciprocal of a mixed number?

• Multiply the whole number by the fraction

• Convert the mixed number to an improper fraction

• Flip the fraction

• Add the whole number to the fraction

If a stack of books is 22 and 1/2 inches tall and each book is 2 and 1/4 inches thick, how many books are in the stack?

• 8

• 9

• 10

• 11