Answer: 0.4020 as a fraction is 201/500
Converting the decimal number 0.4020 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 0.4020 can be broken down as:
0.4020 = 0 + 0.402
Here, 0 is the whole number part, and 0.402 is the decimal part.
Focus on converting the decimal part, 0.402, to a fraction. To do this, consider the place value of the decimal:
0.402 =
402
1000
Now, simplify the fraction 402/1000. To do this, find the greatest common divisor (GCD) of 402 and 1000.
Now, divide both the numerator and the denominator by their GCD:
402 ÷ 2
1000 ÷ 2
=
201
500
So, 0.402 as a fraction is 201/500
Now that you have 0.4020 = 0 + 0.402, express the entire number as a mixed fraction:
0.4020
= 0 +
201
500
=
0
500
+
201
500
=
201
500
Here, 0/500 is the whole number 0, and 201/500 is the fractional part.
Answer: 0.4020 = 201/500
Converting 0.4020 to a fraction results in 201/500. 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.