What is 1.68144 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 1.68144 into a fraction.

Answer: 1.68144 as a fraction equals 168144/100000 or 10509/6250

Here is the solution for converting 1.68144 to a fraction:

Step 1:

First, we write 1.68144 as  
1.68144/1

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!
1.68144/1
  =  
1.68144 x 100000/1 x 100000
  =  
168144/100000


Step 3:

Next, we find the Greatest Common Factor (GCF) for 168144 and 100000. A factor is a number that divides into another number without any remainder.

The factors of 168144 are: 1  2  3  4  6  8  12  16  24  31  48  62  93  113  124  186  226  248  339  372  452  496  678  744  904  1356  1488  1808  2712  3503  5424  7006  10509  14012  21018  28024  42036  56048  84072  168144 
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 168144 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.
168144/100000
  =  
168144 ÷ 16/100000 ÷ 16
  =  
10509/6250


Good work! We have just walked through the steps on how to represent 1.68144 as a fraction.

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