We are talking about fractions, not crystaline structures. The problem is that people forget their high school math very quickly when they stop using it. Many of us keep using it everyday.
I think it would be funny in a sad way if people are actually good at reducing fractions but still get confused by 1/3 > 1/4 after they've simplified 3/9. Least it'll make good clickbait in the 2050's.
What is a "lb burger"?
How could anyone consider themselves a well-rounded adult without a basic understanding of silicate geochemistry? Silicates are everywhere! It's hard to throw a rock without throwing one!