> The low denominator fractions make a lot of sense for a lot of people. There's a funny story about fractions and innumerate Americans. The McDonald's hamburg

> The low denominator fractions make a lot of sense for a lot of people. There's a funny story about fractions and innumerate Americans. The McDonald's hamburger chain had a successful product in their 1/3-pound hamburger, such that they decided to upgrade to 1/2 pound. But the marketing campaign failed and they couldn't figure out why, so they interviewed their customers. They discovered that people thought 1/2 pound was smaller than 1/3 pound, on the basis that 2 < 3. True story.