What is 1.81845 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 1.81845 into a fraction.

Answer: 1.81845 as a fraction equals 181845/100000 or 36369/20000

Here is the solution for converting 1.81845 to a fraction:

Step 1:

First, we write 1.81845 as  
1.81845/1

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!
1.81845/1
  =  
1.81845 x 100000/1 x 100000
  =  
181845/100000


Step 3:

Next, we find the Greatest Common Factor (GCF) for 181845 and 100000. A factor is a number that divides into another number without any remainder.

The factors of 181845 are: 1  3  5  9  15  27  45  81  135  405  449  1347  2245  4041  6735  12123  20205  36369  60615  181845 
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 181845 and 100000 that gives us a GCF value of: 5

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.
181845/100000
  =  
181845 ÷ 5/100000 ÷ 5
  =  
36369/20000


Good work! We have just walked through the steps on how to represent 1.81845 as a fraction.

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