What is 0.8420 as a fraction in simplest form.

Answer: 0.8420 as a fraction is 421/500

Converting the decimal number 0.8420 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.

How to write 0.8420 Decimal as a Fraction

Step 1: Understand the Decimal

The decimal 0.8420 can be broken down as:

0.8420 = 0 + 0.842

Here, 0 is the whole number part, and 0.842 is the decimal part.

Step 2: Convert the Decimal to a Fraction

Focus on converting the decimal part, 0.842, to a fraction. To do this, consider the place value of the decimal:

0.842 =

842

1000

Step 3: Simplify the Fraction

Now, simplify the fraction 842/1000. To do this, find the greatest common divisor (GCD) of 842 and 1000.

Now, divide both the numerator and the denominator by their GCD:


842 ÷ 2

1000 ÷ 2

=

421

500

So, 0.842 as a fraction is 421/500

Step 4: Combine the Whole Number and Fraction

Now that you have 0.8420 = 0 + 0.842, express the entire number as a mixed fraction:

0.8420

= 0 +

421

500

=

0

500

+

421

500

=

421

500

Here, 0/500 is the whole number 0, and 421/500 is the fractional part.

Final Result Answer

Fraction Form of 0.8420 After simplifying, we get the final fraction:

Answer: 0.8420 = 421/500

Conclusion

Converting 0.8420 to a fraction results in 421/500. 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.

Calculated Values List