Ratios, Percents and Dividing Fractions

Which operations with fractions REQUIRE common denominators. Choose all that apply.

• Addition

• Subtraction

• Multiplication

• Division

Tags

CCSS.7.NS.A.1C

• Add the top parts of the fraction
• Rewrite the fractions in the simplest form. 
• Find a common denominator. 
• Make each fraction into an improper faction. 

Tags

CCSS.7.NS.A.1C

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Tags

CCSS.5.NF.B.6

Tags

CCSS.7.NS.A.1C

Tags

CCSS.6.NS.A.1

Elijah earns $230 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $25.50 per hour

• $12.50 per hour

• $1,840 per hour

• $28.75 per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are 50 cookies and 35 cupcakes leftover at a bake sale. What is the ratio of cookies to cupcakes?

Your answer must be in simplest form.

• 10:7

• 7:10

• 35:50

• 50:35

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2