High School

What is 0.82 as a fraction in simplest form?

A. [tex]\(\frac{41}{50}\)[/tex]
B. [tex]\(\frac{12}{25}\)[/tex]
C. [tex]\(\frac{2}{5}\)[/tex]
D. [tex]\(\frac{8}{10}\)[/tex]

Answer :

To convert the decimal 0.82 into a fraction in its simplest form, follow these steps:

1. Write the decimal as a fraction:
The decimal 0.82 can be expressed as [tex]\(\frac{82}{100}\)[/tex] because 82 is in the hundredths place.

2. Simplify the fraction:
- Find the greatest common divisor (GCD) of the numerator (82) and the denominator (100).
- The GCD of 82 and 100 is 2.
- Divide both the numerator and denominator by their GCD:

[tex]\[
\frac{82 \div 2}{100 \div 2} = \frac{41}{50}
\][/tex]

3. Verify it is in simplest form:
The fraction [tex]\(\frac{41}{50}\)[/tex] is already in its simplest form because 41 is a prime number and doesn't share any divisors with 50 other than 1.

Therefore, 0.82 can be written as [tex]\(\frac{41}{50}\)[/tex] in its simplest form.