What is 3.31488 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 3.31488 into a fraction.

Answer: 3.31488 as a fraction equals 331488/100000 or 10359/3125

Here is the solution for converting 3.31488 to a fraction:

Step 1:

First, we write 3.31488 as  
3.31488/1

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!
3.31488/1
  =  
3.31488 x 100000/1 x 100000
  =  
331488/100000


Step 3:

Next, we find the Greatest Common Factor (GCF) for 331488 and 100000. A factor is a number that divides into another number without any remainder.

The factors of 331488 are: 1  2  3  4  6  8  9  12  16  18  24  32  36  48  72  96  144  288  1151  2302  3453  4604  6906  9208  10359  13812  18416  20718  27624  36832  41436  55248  82872  110496  165744  331488 
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 331488 and 100000 that gives us a GCF value of: 32

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.
331488/100000
  =  
331488 ÷ 32/100000 ÷ 32
  =  
10359/3125


Good work! We have just walked through the steps on how to represent 3.31488 as a fraction.

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