Answer: 2.1285 as a fraction is 5321.25/2500
Converting the decimal number 2.1285 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 2.1285 can be broken down as:
2.1285 = 2 + 0.1285
Here, 2 is the whole number part, and 0.1285 is the decimal part.
Focus on converting the decimal part, 0.1285, to a fraction. To do this, consider the place value of the decimal:
0.1285 =
1285
10000
Now, simplify the fraction 1285/10000. To do this, find the greatest common divisor (GCD) of 1285 and 10000.
Now, divide both the numerator and the denominator by their GCD:
1285 ÷ 4
10000 ÷ 4
=
321.25
2500
So, 0.1285 as a fraction is 321.25/2500
Now that you have 2.1285 = 2 + 0.1285, express the entire number as a mixed fraction:
2.1285
= 2 +
321.25
2500
=
5000
2500
+
321.25
2500
=
5321.25
2500
Here, 5000/2500 is the whole number 2, and 321.25/2500 is the fractional part.
Answer: 2.1285 = 5321.25/2500
Converting 2.1285 to a fraction results in 5321.25/2500. 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.