Terminology Used in Math Fractions

List of fraction vocabulary.Click the below words to see the vocabulary explanation.

1) What is Fraction

A fraction is a part of a whole.


2) What is Numerator

It can be defined as the top number in a fraction.


20/57, 20 is the numerator

3) What is Fraction Bar

The line that separates the numerator and the denominator. Also called a Vinculum.

4) What is Denominator

It can be defined as the bottom number in a fraction.It is the divisor of a fraction.


20/57, 57 is the denominator, meaning there are 57 parts altogether.

5) What is Common Factor

A whole number that will divide exactly into two or more given numbers without leaving a remainder.


Factor of 6 = 1, 2, 3 and 6.

Factor of 8 = 1, 2, 4 and 8.

Common factors of 6 and 8 = 1 and 2.

6) What is Common Multiple

A whole number that is a shared multiple of each of set of numbers.


Multiples of 2 are 2, 4, 6, 8, 10, 12, 14, 16, 18

Multiples of 3 are 3, 6, 9, 12, 15, 18

Common multiples of 2 and 3 are 6, 12, 18

7) What is Equivalent Fraction

It can be defined as fractions with different numberators and denominators that represent the same value or proportion of the whole.


1/2 + 1/2

8) What is Factor

It can be defined as the number we multiply with another number to get a product.


6 = 3 × 2

Factors of 6 are 3 and 2

9) What is Factor Pairs

A factor pair refers to a set of two numbers, which when multiplied result in a definite number.


2 × 5 = 10, 2 and 5 is one of the factor pair that gives us the product 10.

In other words, 10 is the product of 2 and 5

In other words, 10 is the multiple of 2 and 5, and here, we are multiplying 2 and 5 to get 10. Hence, 2 and 5 are the factors of 10.

10) What is Fraction Greater Than One

A fraction where the numerator is higher than denominator.

11) What is Fraction Less Than One

A fraction where the numerator is lower than denominator.

12) What is Frequency Table

A frequency table is a table that lists items and show the number of times the items occur.

13) What is Like Denominators

Two fractions having same denominators..

14) What is Like Numerators

Two fractions having same numerators.

15) What is Unit Fraction

It can be defined as a fraction whose numerator is 1.


16) What is Unlike Denominators

Two fractions where denominators are not identical or similar.


3/4 + 1/5

17) What is Unlike Numerators

Two fractions where numerators are not identical or similar.


3/4 + 1/5

18) What is Complex Fraction

A fraction that contains another fraction in its numertor and/or denominator.

19) What is Proper Fraction

The numerator is less than the denominator.



The value is less than 1

20) What is Improper Fraction

The numerator is more than the denominator.



The value is more than 1

21) What is Mixed Number

Whole number part and a fraction part.


1 2/6

The value is more than 1