Answer: 0.4005 as a fraction is 801/2000
Converting the decimal number 0.4005 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 0.4005 can be broken down as:
0.4005 = 0 + 0.4005
Here, 0 is the whole number part, and 0.4005 is the decimal part.
Focus on converting the decimal part, 0.4005, to a fraction. To do this, consider the place value of the decimal:
0.4005 =
4005
10000
Now, simplify the fraction 4005/10000. To do this, find the greatest common divisor (GCD) of 4005 and 10000.
Now, divide both the numerator and the denominator by their GCD:
4005 ÷ 5
10000 ÷ 5
=
801
2000
So, 0.4005 as a fraction is 801/2000
Now that you have 0.4005 = 0 + 0.4005, express the entire number as a mixed fraction:
0.4005
= 0 +
801
2000
=
0
2000
+
801
2000
=
801
2000
Here, 0/2000 is the whole number 0, and 801/2000 is the fractional part.
Answer: 0.4005 = 801/2000
Converting 0.4005 to a fraction results in 801/2000. 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.