What is 12.5 as a Fraction?

12.5 as a fraction equals 125/10 or 25/2.

Here are the steps to convert 12.5 into a fraction.
Write 12.5 as  
12.5/1

Multiply both the numerator and denominator by 10 for each digit after the decimal point.

12.5/1
  =  
12.5 x 10/1 x 10
  =  
125/10


In order to reduce the fraction find the Greatest Common Factor (GCF) for 125 and 10. Keep in mind a factor is just a number that divides into another number without any remainder.


The factors of 125 are: 1  5  25  125 
The factors of 10 are: 1  2  5  10 
The Greatest Common Factor (GCF) for both 125 and 10 is: 5

Now to reduce the fraction we divide both the numerator and denominator by the GCF value.

125/10
  =  
125 ÷ 5/10 ÷ 5
  =  
25/2


As a side note the whole number-integral part is: 12
The decimal part is: .5 = 5/10
Full simple fraction breakdown: 1250/100
= 125/10
= 25/2

Scroll down to customize the precision point enabling 12.5 to be broken down to a specific number of digits.

The page also includes a pie chart representation of 12.5 in fraction form. The different types of fractions, and what type of fraction 12.5 is when converted.


Fractional part of 12 5/10 graphically represented in a pie chart

Numerator and denominator part of fraction represented in graph form.

Decimal to Fraction Calculator

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Level of Precision for 12.5 as a Fraction

The level of precision are the number of digits to round to. Select a lower precision point below to break decimal 12.5 down further in fraction form. The default precision point is 5. If the last trailing digit is "5", use the "round half up" and "round half down" options to round that digit up or down, when you change the precision point.

For example 0.875 with a precision point of 2 rounded half up = 88/100, rounded half down = 87/100.


Select a precision point:


1250000/100000
= 125000/10000
= 12500/1000
= 1250/100
= 125/10
= 25/2

Numerator & Denominator for 12.5 as Fraction

12.5 = 12 5/10
numerator/denominator = 5/10


Is 12 5/10 a Mixed, Whole Number or Proper Fraction?

A mixed number is made up of a whole number and a proper fraction part. Whole numbers have no fractional or decimal part. For proper fractions the numerator (the top number) is less than the denominator (the bottom number). In this case the whole number value is 12 and the proper fraction value is 5/10.


Is 12.5 a terminating, recurring or an irrational decimal?

Not all decimals can be converted into a fraction. There are 3 basic types which include:

Terminating decimals have a limited number of digits after the decimal point.

Examples: 61.84 = 61 84/100 , 218.563 = 218 563/1000 , 194.6226 = 194 6226/10000

Recurring decimals have one or more repeating numbers after the decimal point which continue on infinitely.

Example: 2391.3333 = 2391 3333/10000 = 333/1000 = 33/100 = 1/3 (rounded)

Irrational decimals go on forever and never form a repeating pattern. This type of decimal cannot be expressed as a fraction.

Example: 0.270582541 ...



Fraction into Decimal

You can also see the reverse conversion I.e. how fraction 12 5/10 is converted into a decimal.


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12 <sup><style="color: blue;"><sup>5</sup></style>/<sub>1 as a fraction result.

12.5 in fraction form = 125/10 or 25/2.


Common Decimal to Fraction Conversions

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