Fraction Operations and LCM Concepts

The video tutorial explains how to find the least common multiple (LCM) and its role in adding and subtracting fractions. It provides step-by-step examples of using LCM to perform these operations, emphasizing the importance of finding equivalent fractions and simplifying results.

What is another term for the Least Common Multiple when dealing with fractions?

• Greatest Common Factor

• Least Common Denominator

• Highest Common Denominator

• Greatest Common Denominator

In the example of subtracting three-sixths and one-fourth, what is the LCM used?

• Six

• Eight

• Twelve

• Four

What is the first step in solving fraction problems involving addition or subtraction?

• Add the numerators

• Simplify the fractions

• Find the Least Common Multiple

• Subtract the denominators

In the example of adding two-fourths and one-fifth, what is the new denominator after finding the LCM?

• Fifteen

• Twenty-five

• Ten

• Twenty

What is the equivalent fraction of two-fourths when the LCM is twenty?

• Twelve-twentieths

• Four-twentieths

• Eight-twentieths

• Ten-twentieths

In the example of subtracting five-sixths and one-third, what is the LCM used?

• Nine

• Six

• Twelve

• Three

What is the equivalent fraction of one-third when the LCM is six?

• One-sixth

• Two-sixths

• Four-sixths

• Three-sixths

What is the result of subtracting five-sixths and two-sixths?

• Three-sixths

• Two-sixths

• One-sixth

• Four-sixths

What is the final step in solving fraction problems after performing addition or subtraction?

• Simplify the result

• Create equivalent fractions

• Multiply the fractions

• Find the LCM