Solving Equations with Fractions

What is the first step in solving equations with fractions?

• Find the greatest common divisor (GCD)

• Find the least common multiple (LCM)

• Convert fractions to decimals

• Add all the fractions together

What are the multiples of 3?

• 3, 4, 5, 6

• 3, 8, 13, 18

• 3, 5, 7, 9

• 3, 6, 9, 12

In the first example, what is the least common multiple of 3, 1, and 6?

• 6

• 3

• 1

• 9

What happens when you multiply the entire equation by the LCM?

• You add fractions together

• You convert fractions to decimals

• You create more fractions

• You get rid of all the fractions

What is the result of 6 times X divided by 3?

• X

• 3X

• 2X

• 6X

What is the simplified form of 6X over 3?

• 2X

• 3X

• X

• 6X

In the second example, what is the least common multiple of 2, 3, and 18?

• 6

• 9

• 18

• 12

What is the result of 18 times 1/2?

• 9

• 18

• 1

• 36

What is the simplified form of negative four twelfths?

• Negative one fifth

• Negative one fourth

• Negative one third

• Negative one half

What should you do to check if your solution is correct?

• Substitute the solution back into the equation

• Add the solution to the original equation

• Divide the solution by 2

• Multiply the solution by 2