1. Fractions 3 4 numerator denominator
*Numerator tells how many equal parts are described.
*Denominator tells how many equal parts in all.

2. *Fractions name parts of a whole region.1 1
grass
sand 2 2
*Fractions name parts of a set of objects.

3. *A Fraction has many different names.= 2 1 8 4
*Fractions that name the same amount are called…
EQUIVALENT FRACTIONS
*To form equivalent fractions, you multiply or divide both the numerator and the denominator by the SAME nonzero number.

4. *A Fraction has many different names.= 1 6 3 18
*Fractions that can be reduced can be SIMPLIFIED…
*These are also called EQUIVALENT FRACTIONS.
Simplest Form
Lowest Terms
Simplify
Reduce

5. Tips for Reducing Fractions:
*WHEN YOU REDUCE FRATIONS YOU DIVIDE THE NUMERATOR AND THE DENOMINATOR BY A COMMON FACTOR.
A whole number is divisible by…
*2 if it is an even number.
*3 if the sum of its digits is divisible by 3.
*5 if the ones digit is 0 or 5.
*9 if the sum of its digits us divisible by 9.
*10 if the ones digit is zero.

6. 7 4
Improper Fraction – has numerators that are greater than or equal to its denominator. Mixed Number – has a whole number and a fraction. 2 1 3

7. *Adding and Subtracting Fractions – make sure the denominators are the same! *Comparing Fractions – cross multiply