Write 0.80 as

0.80/1

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

0.80/1

= 0.80 x 100/1 x 100

= 80/100

In order to reduce the fraction we find the Greatest Common Factor (GCF) for 80 and 100. A factor is just a number that divides into another number without any remainder.

The factors of

The factors of

The Greatest Common Factor (GCF) for both 80 and 100 is:

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

80/100

= 80 ÷ 20/100 ÷ 20

= 4/5

As a side note the whole number-integral part is: empty

The decimal part is: .80 =

Full simple fraction breakdown: 80/100

= 8/10

= 4/5

Scroll down to customize the precision point enabling 0.80 to be broken down to a specific number of digits. The page also includes 2-3D graphical representations of 0.80 as a fraction, the different types of fractions, and what type of fraction 0.80 is when converted.

Pie chart representation of the fractional part of 0.80

The level of precision are the number of digits to round to. Select a lower precision point below to break decimal 0.80 down further in fraction form. The default precision point is 5.

If the last trailing digit is "5" you can 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.

80000/100000

= 8000/10000

= 800/1000

= 80/100

= 8/10

= 4/5

= 8000/10000

= 800/1000

= 80/100

= 8/10

= 4/5

0.80 = 0 ** ^{80}**/

numerator/denominator =

A mixed number is made up of a whole number (whole numbers have no fractional or decimal part) and a proper fraction part (a fraction where the numerator (the top number) is less than the denominator (the bottom number). In this case the whole number value is ** empty** and the proper fraction value is

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.

Example:
**
1226.2017 = 1226 ^{2017}/_{10000}
**

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

Example:
**
8674.3333 = 8674 ^{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: **0.825679398.....**

You can also see the reverse conversion I.e. how fraction
** ^{80}**/

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