Answer: 0.4090 as a fraction is 409/1000
Converting the decimal number 0.4090 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 0.4090 can be broken down as:
0.4090 = 0 + 0.409
Here, 0 is the whole number part, and 0.409 is the decimal part.
Focus on converting the decimal part, 0.409, to a fraction. To do this, consider the place value of the decimal:
0.409 =
409
1000
Now, simplify the fraction 409/1000. To do this, find the greatest common divisor (GCD) of 409 and 1000.
Now, divide both the numerator and the denominator by their GCD:
409 ÷ 1
1000 ÷ 1
=
409
1000
So, 0.409 as a fraction is 409/1000
Now that you have 0.4090 = 0 + 0.409, express the entire number as a mixed fraction:
0.4090
= 0 +
409
1000
=
0
1000
+
409
1000
=
409
1000
Here, 0/1000 is the whole number 0, and 409/1000 is the fractional part.
Answer: 0.4090 = 409/1000
Converting 0.4090 to a fraction results in 409/1000. 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.