Multiplying Rational Numbers

When multiplying fractions you do what?

• KCF

• Find the least common denominator

• Multiply all of the numbers together

• Multiply top times top and bottom times bottom

Tags

CCSS.5.NF.B.6

Multiply. Write your answer in simplest form.

• 27/40

• -27/40

• 5/6

• -5/6

Tags

CCSS.7.NS.A.2A

• -32/9

• 6/45

• 32/9

• -6/45

Tags

CCSS.7.NS.A.2A

• 72

• -72

• 18

• -18

Tags

CCSS.6.EE.A.2C

• A

• B

• C

• D

Tags

CCSS.7.NS.A.1C

• -1.8

• 1.8

• 7.2

• -7.2

Tags

CCSS.7.NS.A.2A

• -1/10

• 1/10

• 6/10

• -6/10

Tags

CCSS.7.NS.A.2A

(2.5)(-1.2)

• -3.7

• 3.7

• 3

• -3

Tags

CCSS.7.NS.A.2A

Twelve negative fractions are multiplied together. What will the sign of the answer be

• Negative

• Positive

• Neither

Tags

CCSS.7.NS.A.2A

(-3.9) x (-2.8)

• 1.092

• -1.092

• -10.92

• 10.92

Tags

CCSS.7.NS.A.2A