How to find the LCD so that you can add two rational expressions

The video tutorial covers the concept of LCD (Least Common Denominator) and its variations, emphasizing that it is not just a single number but can have multiple representations. It further explains the process of working with equivalent fractions, including multiplying by the denominator to achieve equivalent values. The tutorial concludes with forming equations using these fractions, demonstrating how to combine and simplify them effectively.

What does LCD stand for in the context of fractions?

• Least Common Denominator

• Largest Common Denominator

• Lowest Common Divisor

• Largest Common Divisor

Why do we multiply fractions by equivalent fractions?

• To change the value of the fraction

• To ensure the denominators are the same

• To make the fraction larger

• To simplify the fraction

What is the result of multiplying a fraction by 3/3?

• The fraction becomes smaller

• The fraction is simplified

• The fraction remains the same

• The fraction becomes larger

What is the purpose of combining fractions in an equation?

• To eliminate variables

• To create a new equation

• To make the equation more complex

• To simplify the equation

What is the final form of the equation discussed in the video?

• 5/15 X

• 15/15 X

• 3/15 X

• 10/15 X + 3/15 X