What is 5.21488 as a fraction?

Numbers can be represented in a variety of ways including percentages, decimals, and fractions. The ability to convert any number from one format to another is an important math skill to have. These skills are typically thought in fifth grade math and require an understanding of place values and Greatest Common Factor (GCF).

In this article, we teach those skills step by step while demonstrating how to convert decimal 5.21488 into a fraction.

Answer: 5.21488 as a fraction equals 521488/100000 or 32593/6250

Here is the solution for converting 5.21488 to a fraction:

Step 1:

First, we write 5.21488 as  
5.21488/1

Step 2:

Next, we multiply both the numerator and denominator by 10 for each digit after the decimal point. Remember the numerator is the top part of the fraction and the denominator is the bottom part!
5.21488/1
  =  
5.21488 x 100000/1 x 100000
  =  
521488/100000


Step 3:

Next, we find the Greatest Common Factor (GCF) for 521488 and 100000. A factor is a number that divides into another number without any remainder.

The factors of 521488 are: 1  2  4  8  11  16  22  44  88  176  2963  5926  11852  23704  32593  47408  65186  130372  260744  521488 
The factors of 100000 are: 1  2  4  5  8  10  16  20  25  32  40  50  80  100  125  160  200  250  400  500  625  800  1000  1250  2000  2500  3125  4000  5000  6250  10000  12500  20000  25000  50000  100000 
So for 521488 and 100000 that gives us a GCF value of: 16

Step 4:

For the last step we reduce the fraction. This just means writing the fraction in the simplest way. To do this we divide both the numerator and denominator by the GCF value we determined in step 3.
521488/100000
  =  
521488 ÷ 16/100000 ÷ 16
  =  
32593/6250


Good work! We have just walked through the steps on how to represent 5.21488 as a fraction.

Convert any decimal to a fraction

Learn how a variety of decimals are represented as a fraction.

Enter a decimal value:


Examples of decimal to fraction conversions

Practice makes perfect! Gain experience converting decimals into fractions with these examples:



© www.asafraction.net