Mastering Multiplication and Division of Fractions and Mixed Numbers

This video tutorial covers the summary of multiplying and dividing fractions and mixed numbers. It begins with multiplying whole numbers by fractions, explaining the conversion of improper fractions to mixed numbers. The tutorial then moves on to multiplying two fractions and simplifying the result. It also covers multiplying mixed numbers by converting them to improper fractions first. Finally, the video explains dividing whole numbers by unit fractions using the reciprocal method.

What is the result of multiplying 5/7 by 3?

• 5/21

• 15/7

• 8/7

• 3/7

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

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

• Subtract the denominator from the numerator

• Multiply the numerator by the denominator

• Add the numerator to the denominator

• Divide the numerator by the denominator

What is the simplest form of 3/5 multiplied by 6/9?

• 18/45

• 2/5

• 1/3

• 6/15

Tags

CCSS.5.NF.B.6

How do you simplify the fraction 18/45?

• Divide by 3

• Multiply by 2

• Add 5

• Subtract 1

How do you multiply two mixed numbers?

• Multiply the whole numbers and fractions separately

• Convert to improper fractions and multiply

• Subtract the fractions from the whole numbers and multiply

• Add the whole numbers and multiply the fractions

Tags

CCSS.5.NF.B.6

What is the result of multiplying 5 and 2/3 by 6 and 1/5?

• 31 and 1/15

• 34 and 4/15

• 36 and 3/15

• 35 and 2/15

Tags

CCSS.5.NF.B.6

What is the first step in multiplying two mixed numbers?

• Multiply the denominators

• Simplify the fractions

• Convert to improper fractions

• Add the whole numbers

Tags

CCSS.5.NF.B.6

What is the reciprocal of 1/4?

• 1/2

• 1/4

• 4

• 4/1

What is the result of dividing 12 by 1/4?

• 4

• 12

• 48

• 3

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

What method is used to divide a whole number by a unit fraction?

• Direct division

• Reciprocal method

• Cross multiplication

• Fraction addition

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C