Reducing Fractions Denominator of One

GCF is helpful when

• making a common denominator before adding/subtracting

• reducing a fraction to its simplest form

A fraction is in simplest form when the numerator and denominator

• are the same

• are both even

• are both odd

• have no common factor other than 1

reduce 12/12

• 12/12

• 1/3

• 1

• 1/4

Reduce the fraction:
15/30

• 1/2

• 5/10

• 3/15

• 3/15

Reduce the fraction:
8/24

• 1/12

• 1/3

• 2/12

• 4/8

Reduce 12/16

• 3/4

• 6/8

• it is reduced as far as it can go

Reduce 3/9

• 1/3

• 2/3

• 1/9

• 3/9

The value of a fraction does not change when Numerator and Denominator are both divided by the same non-zero number

• True

• False

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

When you are adding and subtracting fractions, when do you use the factors?

• When Finding the common denominator

• When simplifying or reducing the fraction

• When you have no idea what to do

• When the decimal is a power of 10

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

When do you use the GCF with fractions?

• When you are trying to find the common denominator

• When you are simplifying or reducing the fraction

• When you are going to the grocery store to get ice cream

• When you are roller skating