Converting Between Fractions and Mixed Numbers

In this video, Mr. Jay explains how to multiply mixed numbers by converting them into improper fractions and multiplying straight across. He demonstrates this process through two examples: multiplying 6 1/4 by 1 2/3 and 8 1/2 by 3 7/8. Each example is broken down into clear steps, including converting mixed numbers to improper fractions, multiplying numerators and denominators, and converting the result back to a mixed number. The video concludes with a recap of the steps and emphasizes the importance of simplifying the fractional part of the mixed number.

What is the first step in multiplying mixed numbers?

• Convert to improper fractions

• Divide the fractions

• Add the whole numbers

• Subtract the fractions

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

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

• Add the whole number to the numerator

• Multiply the numerator by the denominator

• Subtract the numerator from the whole number

What is the improper fraction form of 6 and 1/4?

• 25/5

• 26/4

• 25/4

• 24/5

Tags

CCSS.5.NF.B.6

What is the result of multiplying 25/4 by 5/3?

• 135/12

• 120/12

• 125/12

• 130/12

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

• Subtract the denominator from the numerator

• Divide the numerator by the denominator

• Add the numerator to the denominator

• Multiply the numerator by the denominator

What is the mixed number form of 125/12?

• 10 and 1/12

• 11 and 1/12

• 10 and 5/12

• 11 and 5/12

What is the improper fraction form of 8 and 1/2?

• 17/2

• 16/2

• 19/2

• 18/2

Tags

CCSS.5.NF.B.6

What is the result of multiplying 17/2 by 31/8?

• 547/16

• 537/16

• 517/16

• 527/16

Tags

CCSS.4.NBT.B.6

How many whole groups of 16 are in 527?

• 33

• 30

• 31

• 32

What is the mixed number form of 527/16?

• 32 and 14/16

• 32 and 15/16

• 33 and 14/16

• 33 and 15/16