Answer: 0.7820 as a fraction is 391/500
Converting the decimal number 0.7820 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 0.7820 can be broken down as:
0.7820 = 0 + 0.782
Here, 0 is the whole number part, and 0.782 is the decimal part.
Focus on converting the decimal part, 0.782, to a fraction. To do this, consider the place value of the decimal:
0.782 =
782
1000
Now, simplify the fraction 782/1000. To do this, find the greatest common divisor (GCD) of 782 and 1000.
Now, divide both the numerator and the denominator by their GCD:
782 ÷ 2
1000 ÷ 2
=
391
500
So, 0.782 as a fraction is 391/500
Now that you have 0.7820 = 0 + 0.782, express the entire number as a mixed fraction:
0.7820
= 0 +
391
500
=
0
500
+
391
500
=
391
500
Here, 0/500 is the whole number 0, and 391/500 is the fractional part.
Answer: 0.7820 = 391/500
Converting 0.7820 to a fraction results in 391/500. 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.