What is 80 centimeters is what fraction of a meter?

Well, isn't that a happy little question! 80 centimeters is 0.8 meters because there are 100 centimeters in 1 meter. So, 80 centimeters is 8/10 of a meter, which simplifies to 4/5. Just remember, in painting and in math, it's all about happy little fractions and conversions!