What is 1.2840 as a fraction in simplest form.

Answer: 1.2840 as a fraction is 321/250

Converting the decimal number 1.2840 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 1.2840 Decimal as a Fraction

Step 1: Understand the Decimal

The decimal 1.2840 can be broken down as:

1.2840 = 1 + 0.284

Here, 1 is the whole number part, and 0.284 is the decimal part.

Step 2: Convert the Decimal to a Fraction

Focus on converting the decimal part, 0.284, to a fraction. To do this, consider the place value of the decimal:

0.284 =

284

1000

Step 3: Simplify the Fraction

Now, simplify the fraction 284/1000. To do this, find the greatest common divisor (GCD) of 284 and 1000.

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


284 ÷ 4

1000 ÷ 4

=

71

250

So, 0.284 as a fraction is 71/250

Step 4: Combine the Whole Number and Fraction

Now that you have 1.2840 = 1 + 0.284, express the entire number as a mixed fraction:

1.2840

= 1 +

71

250

=

250

250

+

71

250

=

321

250

Here, 250/250 is the whole number 1, and 71/250 is the fractional part.

Final Result Answer

Fraction Form of 1.2840 After simplifying, we get the final fraction:

Answer: 1.2840 = 321/250

Conclusion

Converting 1.2840 to a fraction results in 321/250. 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