Answer: 2.1388 as a fraction is 21388/10000
Converting the decimal number 2.1388 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 2.1388 can be broken down as:
2.1388 = 2 + 0.1388
Here, 2 is the whole number part, and 0.1388 is the decimal part.
Focus on converting the decimal part, 0.1388, to a fraction. To do this, consider the place value of the decimal:
0.1388 =
1388
10000
Now, simplify the fraction 1388/10000. To do this, find the greatest common divisor (GCD) of 1388 and 10000.
Now, divide both the numerator and the denominator by their GCD:
1388 ÷ 1
10000 ÷ 1
=
1388
10000
So, 0.1388 as a fraction is 1388/10000
Now that you have 2.1388 = 2 + 0.1388, express the entire number as a mixed fraction:
2.1388
= 2 +
1388
10000
=
20000
10000
+
1388
10000
=
21388
10000
Here, 20000/10000 is the whole number 2, and 1388/10000 is the fractional part.
Answer: 2.1388 = 21388/10000
Converting 2.1388 to a fraction results in 21388/10000. 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.