Mastering Multiplication and Division of Fractions

This video tutorial covers the basics of multiplying and dividing fractions. It explains how to multiply fractions by multiplying the numerators and denominators separately and provides examples, including how to handle mixed numbers by converting them to improper fractions. The video also introduces dividing fractions by flipping the second fraction and changing the operation to multiplication, followed by examples. The tutorial concludes with a summary of the key points discussed.

What is the first step in multiplying fractions?

• Simplify the fractions

• Convert to mixed numbers

• Add the numerators

• Multiply the numerators and denominators separately

Tags

CCSS.5.NF.B.6

How do you simplify the fraction 21 over 60?

• Divide by 3

• Add 5 to the numerator and denominator

• Subtract 1 from the numerator

• Multiply by 2

What is the result of multiplying 4/7 by 9/5?

• 36 over 35

• 45 over 14

• 13 over 12

• 27 over 20

Tags

CCSS.5.NF.B.6

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

• Add the whole number to the numerator

• Divide the whole number by the denominator

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

• Subtract the numerator from the product of the whole number and the denominator

What is the simplified form of 44 over 20?

• 11 over 5

• 22 over 10

• 2 over 1

• 8 over 4

What happens when you multiply fractions less than one?

• The fractions remain unchanged

• The result is smaller than the original fractions

• The result is a whole number

• The result is larger than the original fractions

Tags

CCSS.5.NF.B.5B

What is the correct method to divide fractions?

• Subtract the denominators

• Flip the second fraction and multiply

• Add the fractions

• Divide the numerators directly

Tags

CCSS.6.NS.A.1

After flipping the second fraction in a division problem, what is the next step?

• Multiply the fractions

• Convert to mixed numbers

• Subtract the fractions

• Simplify the fractions

Tags

CCSS.7.NS.A.2B

How do you simplify the fraction 10 over 12?

• 5 over 6

• 2 over 3

• 10 over 12 remains unchanged

• 15 over 18

What is the mixed number form of 35 over 4?

• 6 and 3/4

• 7 and 1/2

• 8 and 3/4

• 9 and 1/4