Adding Fractions Using LCM

This video tutorial explains how to add fractions using the LCM method. It begins with an introduction to the problem of adding 7/12 and 15/24. The video then details the process of finding the LCM of the denominators 12 and 24 by dividing them by prime factors. After calculating the LCM, the tutorial demonstrates how to use it to solve the fraction addition problem, resulting in the final answer of 29/24. The video concludes with a summary of the steps and a reminder to subscribe.

What is the main topic discussed in the video?

• Adding fractions using LCM

• Dividing fractions using LCM

• Subtracting fractions using LCM

• Multiplying fractions using LCM

What is the problem presented in the video?

• Subtracting 7/12 from 15/24

• Adding 7/12 and 15/24

• Multiplying 7/12 by 15/24

• Dividing 7/12 by 15/24

What are the denominators in the given problem?

• 12 and 24

• 3 and 6

• 6 and 12

• 7 and 15

What is the first step in finding the LCM of 12 and 24?

• Divide by 3

• Divide by 4

• Divide by 2

• Divide by 6

After dividing by 2, what are the remaining factors of 12 and 24?

• 3 and 6

• 6 and 12

• 2 and 4

• 4 and 8

What is the LCM of 12 and 24?

• 12

• 24

• 48

• 36

How do you rewrite 7/12 with the LCM as the denominator?

• Multiply 7 by 3

• Multiply 7 by 4

• Multiply 7 by 2

• Multiply 7 by 1

What is the result of multiplying 7 by 2?

• 18

• 12

• 14

• 16

How do you rewrite 15/24 with the LCM as the denominator?

• Multiply 15 by 1

• Multiply 15 by 2

• Multiply 15 by 3

• Multiply 15 by 4

What is the result of multiplying 15 by 1?

• 12

• 18

• 15

• 10