Answer: 1.6420 as a fraction is 1642/1000
Converting the decimal number 1.6420 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 1.6420 can be broken down as:
1.6420 = 1 + 0.642
Here, 1 is the whole number part, and 0.642 is the decimal part.
Focus on converting the decimal part, 0.642, to a fraction. To do this, consider the place value of the decimal:
0.642 =
642
1000
Now, simplify the fraction 642/1000. To do this, find the greatest common divisor (GCD) of 642 and 1000.
Now, divide both the numerator and the denominator by their GCD:
642 ÷ 1
1000 ÷ 1
=
642
1000
So, 0.642 as a fraction is 642/1000
Now that you have 1.6420 = 1 + 0.642, express the entire number as a mixed fraction:
1.6420
= 1 +
642
1000
=
1000
1000
+
642
1000
=
1642
1000
Here, 1000/1000 is the whole number 1, and 642/1000 is the fractional part.
Answer: 1.6420 = 1642/1000
Converting 1.6420 to a fraction results in 1642/1000. 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.