Answer: 1.9889 as a fraction is 1243.0625/625
Converting the decimal number 1.9889 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 1.9889 can be broken down as:
1.9889 = 1 + 0.9889
Here, 1 is the whole number part, and 0.9889 is the decimal part.
Focus on converting the decimal part, 0.9889, to a fraction. To do this, consider the place value of the decimal:
0.9889 =
9889
10000
Now, simplify the fraction 9889/10000. To do this, find the greatest common divisor (GCD) of 9889 and 10000.
Now, divide both the numerator and the denominator by their GCD:
9889 ÷ 16
10000 ÷ 16
=
618.0625
625
So, 0.9889 as a fraction is 618.0625/625
Now that you have 1.9889 = 1 + 0.9889, express the entire number as a mixed fraction:
1.9889
= 1 +
618.0625
625
=
625
625
+
618.0625
625
=
1243.0625
625
Here, 625/625 is the whole number 1, and 618.0625/625 is the fractional part.
Answer: 1.9889 = 1243.0625/625
Converting 1.9889 to a fraction results in 1243.0625/625. 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.