LCD and Clearing Fractions When Solving

What do you multiply each term of an equation by to clear fractions?

• The greatest common factor

• The least common denominator

• whatever number you want

• zero

Solve for c by clearing the fractions.

• 1/3

• 2/3

• 1

• 2

Tags

CCSS.8.EE.C.7B

Solve this equation by clearing the fraction.

• x = -18

• x = 66

• x = 5

• x = -3

Find the least common denominator of these fractions: 

• 7

• 21

• 18

• 147

What is the least common denominator of 1/9 and 2/3?

• 6

• 3

• 9

• 21

Solve the equation by first clearing fractions:

• x = 1/8

• x = 4

• x = 3

• solution not listed

What is the first step to solve this equation?

• Move all the variables to one side.

• Move all the constants to one side.

• Find the least common denominator.

• Plug in a number for X.

What should you do next after finding the LCD?

• Move all the constants to one side.

• Move all the variables to one side.

• Multiply the LCD to all the variables

• Multiply the LCD to every term of the equation.

Tags

CCSS.HSA.REI.A.2

When solving this equation by clearing the fractions, what number would you multiply each term in the equation by?

• 3

• 4

• 12

• 15

• x = -15

• x = -60

• x = 30

• x = 120