Finding Common Denominators with Pi

The video tutorial reviews how to add and subtract fractions involving Pi. It covers three examples: adding Pi and Pi over three, subtracting Pi over six from Pi, and handling fractions with different denominators by finding the least common denominator. The tutorial concludes with a prompt to start the Pre-Trig review homework.

What is the first step in adding or subtracting fractions involving Pi?

• Multiply the fractions directly.

• Find a common denominator.

• Convert Pi to a decimal.

• Add the numerators directly.

In Example A, what is the common denominator used for Pi and Pi/3?

• 1

• 9

• 3

• 6

How do you express Pi as a fraction to find a common denominator in Example A?

• 1Pi/3

• Pi/3

• Pi/1

• 3Pi/3

What is the final result of adding Pi and Pi/3 in Example A?

• 3Pi/3

• 4Pi/3

• 2Pi/3

• 5Pi/3

In Example B, what is the common denominator used for Pi and Pi/6?

• 1

• 3

• 12

• 6

How is Pi expressed to find a common denominator in Example B?

• Pi/1

• Pi/6

• 1Pi/6

• 6Pi/6

What is the final result of subtracting Pi/6 from Pi in Example B?

• 5Pi/6

• 6Pi/6

• Pi/6

• 4Pi/6

In Example C, what is the least common denominator for the fractions?

• 6

• 4

• 12

• 8

What is the first fraction multiplied by to achieve the common denominator in Example C?

• 3/3

• 2/2

• 6/6

• 4/4

What is the second fraction multiplied by to achieve the common denominator in Example C?

• 2/2

• 6/6

• 4/4

• 3/3