Multiplying Rational Numbers and Fractions

What is the basic rule to remember when multiplying fractions?

• Divide the numerators and denominators

• Multiply straight across

• Subtract the numerators and denominators

• Add the numerators and denominators

Tags

CCSS.5.NF.B.6

In the example 3/4 times 5/6, what is the product before simplification?

• 10/12

• 12/30

• 18/20

• 15/24

Tags

CCSS.5.NF.B.6

What is the first step when multiplying mixed numbers?

• Add the whole numbers

• Simplify the fractions

• Convert to improper fractions

• Multiply the whole numbers

Tags

CCSS.5.NF.B.6

In the example 3 and a half times 4 and two thirds, what is 3 and a half converted to an improper fraction?

• 5/2

• 7/2

• 6/2

• 8/2

What is the product of 7/2 times 14/3 before simplification?

• 98/6

• 49/6

• 98/3

• 49/3

Tags

CCSS.5.NF.B.6

What is the simplified form of 33/6?

• 6 and 1/2

• 5 and 1/3

• 6 and 1/3

• 5 and 1/2

What is the product of 2/5 times 5/8 in simplest form?

• 1/5

• 1/4

• 2/8

• 2/5

Tags

CCSS.5.NF.B.6

How do you handle a negative fraction when multiplying?

• Multiply the numerators and denominators separately

• Add the negative sign to the denominator

• Multiply as usual and then add the negative sign

• Ignore the negative sign

Tags

CCSS.7.NS.A.2A

What is the product of -1/4 times 2/7 in simplest form?

• -1/14

• -2/28

• -1/28

• -2/14

Tags

CCSS.7.NS.A.2A

What is 1 and a half converted to an improper fraction?

• 2/3

• 3/2

• 4/3

• 5/2