Mastering Multiplication of Fractions with Cancellation

What is the first step in multiplying fractions using cancellation?

• Multiply the numerators and denominators directly.

• Convert mixed numbers to improper fractions.

• Simplify the fractions after multiplication.

• Find common factors between numerators and denominators.

Tags

CCSS.5.NF.B.6

What result do we get after simplifying 14/15 * 5/16 using cancellation?

• 18

• 7/24

• 70/240

• 1/3

Tags

CCSS.5.NF.B.6

What is the purpose of using cancellation when multiplying fractions?

• To increase the value of fractions

• To convert improper fractions to mixed numbers

• To find the greatest common factor

• To simplify fractions for easier multiplication

Tags

CCSS.5.NF.B.6

How do we simplify the fraction 7/18 * 6/7 using cancellation?

• 7/24

• 1/3

• 42/126

• 18

Tags

CCSS.5.NF.B.6

What is the greatest common factor used to simplify 18 and 6 in the second example?

• 6

• 3

• 2

• 9

How do we convert a whole number to a fraction for multiplication?

• By multiplying it by itself

• By dividing it by 1

• By adding a denominator of 1

• By finding its square root

What is the simplified result of 2/3 * 27?

• 27/3

• 9

• 18

• 54

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

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

• By multiplying the whole number by the denominator and adding the numerator

• By dividing the numerator by the denominator

• By adding the whole number to the numerator

• By subtracting the denominator from the numerator

What is the final form of 16/9 after conversion?

• 2 1/9

• 1 7/9

• 18/9

• 1 2/3

Can cancellation be used for adding and subtracting fractions?

• Yes, but it's not recommended

• No, only in specific cases

• Yes, in all cases

• No, it's only for multiplication and division

Tags

CCSS.7.NS.A.1D