Answer: 0.6450 as a fraction is 129/200
Converting the decimal number 0.6450 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 0.6450 can be broken down as:
0.6450 = 0 + 0.645
Here, 0 is the whole number part, and 0.645 is the decimal part.
Focus on converting the decimal part, 0.645, to a fraction. To do this, consider the place value of the decimal:
0.645 =
645
1000
Now, simplify the fraction 645/1000. To do this, find the greatest common divisor (GCD) of 645 and 1000.
Now, divide both the numerator and the denominator by their GCD:
645 ÷ 5
1000 ÷ 5
=
129
200
So, 0.645 as a fraction is 129/200
Now that you have 0.6450 = 0 + 0.645, express the entire number as a mixed fraction:
0.6450
= 0 +
129
200
=
0
200
+
129
200
=
129
200
Here, 0/200 is the whole number 0, and 129/200 is the fractional part.
Answer: 0.6450 = 129/200
Converting 0.6450 to a fraction results in 129/200. 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.