It’s surprisingly difficult to prove one of the most basic properties of a number: whether it can be written as a fraction. A broad new method can help settle this ancient question. In June 1978, the ...

Life gets busy, and sometimes those basic math skills from school days get a little rusty. Whether you're budgeting, measuring for a DIY project, or just having a math-related brain teaser thrown your ...

For all of the recent strides we’ve made in the math world—like a supercomputer finally solving the Sum of Three Cubes problem that puzzled mathematicians for 65 years—we’re forever crunching ...