Answer: 2.1220 as a fraction is 2122/1000
Converting the decimal number 2.1220 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 2.1220 can be broken down as:
2.1220 = 2 + 0.122
Here, 2 is the whole number part, and 0.122 is the decimal part.
Focus on converting the decimal part, 0.122, to a fraction. To do this, consider the place value of the decimal:
0.122 =
122
1000
Now, simplify the fraction 122/1000. To do this, find the greatest common divisor (GCD) of 122 and 1000.
Now, divide both the numerator and the denominator by their GCD:
122 ÷ 1
1000 ÷ 1
=
122
1000
So, 0.122 as a fraction is 122/1000
Now that you have 2.1220 = 2 + 0.122, express the entire number as a mixed fraction:
2.1220
= 2 +
122
1000
=
2000
1000
+
122
1000
=
2122
1000
Here, 2000/1000 is the whole number 2, and 122/1000 is the fractional part.
Answer: 2.1220 = 2122/1000
Converting 2.1220 to a fraction results in 2122/1000. 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.