What is 1.28466 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 1.28466 into a fraction.

Answer: 1.28466 as a fraction equals 128466/100000 or 64233/50000

Here is the solution for converting 1.28466 to a fraction:

Step 1:

First, we write 1.28466 as  
1.28466/1

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!
1.28466/1
  =  
1.28466 x 100000/1 x 100000
  =  
128466/100000


Step 3:

Next, we find the Greatest Common Factor (GCF) for 128466 and 100000. A factor is a number that divides into another number without any remainder.

The factors of 128466 are: 1  2  3  6  9  13  18  26  27  39  54  61  78  81  117  122  162  183  234  351  366  549  702  793  1053  1098  1586  1647  2106  2379  3294  4758  4941  7137  9882  14274  21411  42822  64233  128466 
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 128466 and 100000 that gives us a GCF value of: 2

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.
128466/100000
  =  
128466 ÷ 2/100000 ÷ 2
  =  
64233/50000


Good work! We have just walked through the steps on how to represent 1.28466 as a fraction.

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