Simplifying Fractions: Finding the Highest Common Factor

This video tutorial explains how to simplify fractions by dividing the numerator and denominator by their highest common factor. It provides three examples: simplifying 9/12 to 3/4, 8/28 to 2/7, and 10/25 to 2/5. The video concludes with a practice problem for viewers to solve, simplifying 12/20.

What is the first step in simplifying the fraction 9/12?

• Divide both the numerator and denominator by 2

• Find the highest common factor

• Multiply the numerator and denominator by 3

• Subtract the numerator from the denominator

After finding the highest common factor of 9 and 12, what do you do next?

• Multiply the numerator by the denominator

• Divide both the numerator and denominator by the highest common factor

• Add the highest common factor to both the numerator and denominator

• Subtract the highest common factor from the numerator

What is the simplified form of the fraction 8/28?

• 4/14

• 2/7

• 3/8

• 1/4

What is the highest common factor of 10 and 25?

• 2

• 5

• 25

• 10

What is the simplified form of the fraction 10/25?

• 5/10

• 2/5

• 1/2

• 4/5