Answer: 2.1405 as a fraction is 5351.25/2500
Converting the decimal number 2.1405 into a fraction might seem tricky at first, but with the right steps, it's straightforward. This guide will walk you through the entire process, ensuring you understand each part of the conversion.
The decimal 2.1405 can be broken down as:
2.1405 = 2 + 0.1405
Here, 2 is the whole number part, and 0.1405 is the decimal part.
Focus on converting the decimal part, 0.1405, to a fraction. To do this, consider the place value of the decimal:
0.1405 =
1405
10000
Now, simplify the fraction 1405/10000. To do this, find the greatest common divisor (GCD) of 1405 and 10000.
Now, divide both the numerator and the denominator by their GCD:
1405 ÷ 4
10000 ÷ 4
=
351.25
2500
So, 0.1405 as a fraction is 351.25/2500
Now that you have 2.1405 = 2 + 0.1405, express the entire number as a mixed fraction:
2.1405
= 2 +
351.25
2500
=
5000
2500
+
351.25
2500
=
5351.25
2500
Here, 5000/2500 is the whole number 2, and 351.25/2500 is the fractional part.
Answer: 2.1405 = 5351.25/2500
Converting 2.1405 to a fraction results in 5351.25/2500. This detailed process of breaking down the decimal, converting it, simplifying, and then combining the parts gives you a clear understanding of how to handle such conversions in math, everyday calculations, or even complex problem-solving.