Reducing Fractions with the GCF

What is the term used for the number at the top of a fraction?

• Divisor

• Numerator

• Denominator

• Quotient

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What does it mean for a fraction to be in 'lowest terms'?

• The fraction is less than 1

• The only number that divides both the numerator and the denominator is 1

• The fraction is a whole number

• The numerator is smaller than the denominator

What is the first step in reducing the fraction 12/18?

• Divide the numerator by the denominator

• Find the GCF of 12 and 18

• Multiply the numerator and denominator by 2

• Subtract the numerator from the denominator

What is the GCF of 12 and 18?

• 2

• 6

• 9

• 3

After finding the GCF, what is the next step in reducing a fraction?

• Subtract the GCF from the numerator and denominator

• Divide the numerator and denominator by the GCF

• Multiply the numerator and denominator by the GCF

• Add the GCF to the numerator and denominator

What is the reduced form of the fraction 4/20?

• 1/5

• 2/10

• 4/5

• 1/4

What is the GCF of 6 and 8?

• 1

• 2

• 4

• 3

What is the reduced form of the fraction 75/100?

• 5/6

• 1/2

• 3/4

• 15/20

What is the GCF of 12 and 20?

• 4

• 3

• 5

• 2

What is the reduced form of the fraction 12/20?

• 3/5

• 1/2

• 4/5

• 2/5