What is 2.31768 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 2.31768 into a fraction.

Answer: 2.31768 as a fraction equals 231768/100000 or 28971/12500

Here is the solution for converting 2.31768 to a fraction:

Step 1:

First, we write 2.31768 as  
2.31768/1

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!
2.31768/1
  =  
2.31768 x 100000/1 x 100000
  =  
231768/100000


Step 3:

Next, we find the Greatest Common Factor (GCF) for 231768 and 100000. A factor is a number that divides into another number without any remainder.

The factors of 231768 are: 1  2  3  4  6  8  9  12  18  24  27  29  36  37  54  58  72  74  87  108  111  116  148  174  216  222  232  261  296  333  348  444  522  666  696  783  888  999  1044  1073  1332  1566  1998  2088  2146  2664  3132  3219  3996  4292  6264  6438  7992  8584  9657  12876  19314  25752  28971  38628  57942  77256  115884  231768 
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 231768 and 100000 that gives us a GCF value of: 8

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.
231768/100000
  =  
231768 ÷ 8/100000 ÷ 8
  =  
28971/12500


Good work! We have just walked through the steps on how to represent 2.31768 as a fraction.

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