What is 2.80308 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 2.80308 into a fraction.

Answer: 2.80308 as a fraction equals 280308/100000 or 70077/25000

Here is the solution for converting 2.80308 to a fraction:

Step 1:

First, we write 2.80308 as  
2.80308/1

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!
2.80308/1
  =  
2.80308 x 100000/1 x 100000
  =  
280308/100000


Step 3:

Next, we find the Greatest Common Factor (GCF) for 280308 and 100000. A factor is a number that divides into another number without any remainder.

The factors of 280308 are: 1  2  3  4  6  7  12  14  21  28  42  47  71  84  94  141  142  188  213  282  284  329  426  497  564  658  852  987  994  1316  1491  1974  1988  2982  3337  3948  5964  6674  10011  13348  20022  23359  40044  46718  70077  93436  140154  280308 
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 280308 and 100000 that gives us a GCF value of: 4

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.
280308/100000
  =  
280308 ÷ 4/100000 ÷ 4
  =  
70077/25000


Good work! We have just walked through the steps on how to represent 2.80308 as a fraction.

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