What is 1.78864 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 1.78864 into a fraction.

Answer: 1.78864 as a fraction equals 178864/100000 or 11179/6250

Here is the solution for converting 1.78864 to a fraction:

Step 1:

First, we write 1.78864 as  
1.78864/1

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!
1.78864/1
  =  
1.78864 x 100000/1 x 100000
  =  
178864/100000


Step 3:

Next, we find the Greatest Common Factor (GCF) for 178864 and 100000. A factor is a number that divides into another number without any remainder.

The factors of 178864 are: 1  2  4  7  8  14  16  28  56  112  1597  3194  6388  11179  12776  22358  25552  44716  89432  178864 
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 178864 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.
178864/100000
  =  
178864 ÷ 16/100000 ÷ 16
  =  
11179/6250


Good work! We have just walked through the steps on how to represent 1.78864 as a fraction.

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