Answer: 0.3980 as a fraction is 199/500
Converting the decimal number 0.3980 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 0.3980 can be broken down as:
0.3980 = 0 + 0.398
Here, 0 is the whole number part, and 0.398 is the decimal part.
Focus on converting the decimal part, 0.398, to a fraction. To do this, consider the place value of the decimal:
0.398 =
398
1000
Now, simplify the fraction 398/1000. To do this, find the greatest common divisor (GCD) of 398 and 1000.
Now, divide both the numerator and the denominator by their GCD:
398 ÷ 2
1000 ÷ 2
=
199
500
So, 0.398 as a fraction is 199/500
Now that you have 0.3980 = 0 + 0.398, express the entire number as a mixed fraction:
0.3980
= 0 +
199
500
=
0
500
+
199
500
=
199
500
Here, 0/500 is the whole number 0, and 199/500 is the fractional part.
Answer: 0.3980 = 199/500
Converting 0.3980 to a fraction results in 199/500. 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.