Common Denominator

1
Common Denominator

• A common multiple of the denominators of 2 or
  more fractions

2
Common Factor

• A number that is a factor of 2 or more numbers
• For example, 8 is a common factor of 16 and 40

3
Common Multiple

• A number that is a multiple of 2 or more numbers
• For example, 24 is a common multiple of 6 and 8

4
Composite Number

• A number greater than 1 that has more than 2
  whole-number factors

5
Denominator

• The bottom number in a fraction it shows how
  many equal parts the whole has been divided into

6
Equivalent

• Having the same value

7
EquivalentDecimals

• Decimals that name the same amount.30 .3

8
Equivalent Fractions

• Fractions that name the same amount or part

9
Factor

• Numbers that are multiplied together to get a
  product

10
Factor Tree

• A diagram showing how a whole number breaks down
  into its prime factors

11
Fractions

• A number that shows part of a whole. The
  denominator (bottom number) tells how many pieces
  the whole has been divided. The numerator
  indicates how many of those equal parts are being
  considered.

12
Greatest Common Factor

• The largest number that is a factor (divisor) of
  2 numbers

13
ImproperFraction

• A fraction in which the numerator is greater than
  the denominator.

14
Like Fractions

• Fractions that have the same denominator

15
Lowest CommonDenominator

• The lowest denominator that 2 or more fractions
  have in common also called Least Common
  Denominator

16
Lowest Common Multiple

• The smallest number, other than zero, that is a
  multiple of 2 or more numbers also called Least
  Common Multiple

17
Lowest Term Fraction

• A fraction in which the numerator and
  denominator have no common factors besides 1 a
  simplified fraction

18
Mixed Number

• A number that has both a whole number part and a
  fraction3½

19
Multiple

• A multiple of a number is the product of the
  number and any non-zero whole number

20
Numerator

• The number written above the line in a fraction
  it tells how many parts of the whole are being
  considered

21
Prime Factorization

• A number written as the product of its prime
  factors
• 24 2 x 2 x 2 x 3

22
Prime Number

• A whole number greater than 1 that only has
  itself and the number 1 as factors

23
Product

• The answer to a multiplication problem

24
Proper Fraction

• A fraction in which the numerator is less than
  the denominator.
• For example, ¼ is a proper fraction because 1 is
  less than 4.

25
Simplest Form

• A fraction is in its simplest form when the
  numerator and denominator have no common factors
  other than 1.

26
Simplify

• To write a fraction or expression in simplest
  form

27
Unlike Fractions

• Fractions that have different denominators

28
Whole Number

• A positive number without a fraction or decimal
  part