What is 1.99728 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 1.99728 into a fraction.

Answer: 1.99728 as a fraction equals 199728/100000 or 12483/6250

Here is the solution for converting 1.99728 to a fraction:

Step 1:

First, we write 1.99728 as  
1.99728/1

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!
1.99728/1
  =  
1.99728 x 100000/1 x 100000
  =  
199728/100000


Step 3:

Next, we find the Greatest Common Factor (GCF) for 199728 and 100000. A factor is a number that divides into another number without any remainder.

The factors of 199728 are: 1  2  3  4  6  8  9  12  16  18  19  24  36  38  48  57  72  73  76  114  144  146  152  171  219  228  292  304  342  438  456  584  657  684  876  912  1168  1314  1368  1387  1752  2628  2736  2774  3504  4161  5256  5548  8322  10512  11096  12483  16644  22192  24966  33288  49932  66576  99864  199728 
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 199728 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.
199728/100000
  =  
199728 ÷ 16/100000 ÷ 16
  =  
12483/6250


Good work! We have just walked through the steps on how to represent 1.99728 as a fraction.

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