Final answer:
To write 0.8 as a fraction in its simplest form, we convert it to 8/10. Dividing both the numerator and denominator by their greatest common divisor, we get 4/5.
Step-by-step explanation:
To write 0.8 as a fraction in its simplest form, we first need to understand what the decimal represents. The decimal 0.8 is the same as the fraction 8/10. However, we can simplify this fraction further by dividing the numerator and denominator by their greatest common divisor. The greatest common divisor of 8 and 10 is 2, so when we divide both the numerator and denominator by 2, we get the simplest form of the fraction, which is 4/5.
Learn more about writing numbers as fractions