Solving Equations Involving Fractions

What is the first step in solving an equation involving fractions?

• Subtract the fractions

• Add the fractions

• Multiply by the reciprocal

• Divide by the fraction

Tags

CCSS.8.EE.C.7B

What is the reciprocal of 3/4?

• 4/1

• 1/3

• 3/4

• 4/3

In the example, what is the result of multiplying 9 by 4/3?

• 27

• 9

• 36

• 12

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Why do we multiply by the reciprocal when solving equations with fractions?

• To make the equation simpler

• To isolate the variable

• To add fractions

• To divide fractions

Tags

CCSS.6.EE.B.7

What is the reciprocal of 2/5?

• 5/1

• 5/2

• 1/2

• 2/5

In the second example, what is the simplified result of 6 times 5 divided by 25 times 2?

• 3/5

• 6/25

• 1/5

• 5/3

Tags

CCSS.7.NS.A.2C

What is the purpose of cross-simplifying in fraction multiplication?

• To make the numbers larger

• To make the multiplication easier

• To add fractions

• To divide fractions

Tags

CCSS.5.NF.B.6

In the final example, what is the improper fraction form of 1 and 1/2?

• 3/1

• 3/2

• 2/3

• 1/2

What is the result of multiplying 3/7 by its reciprocal?

• 1

• 3/7

• 0

• 7/3

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What should you do if you can't divide by a fraction?

• Add the fractions

• Subtract the fractions

• Divide by the reciprocal

• Multiply by the reciprocal

Tags

CCSS.6.NS.A.1