at least using standard algorithms. Why do we need equal denominators to add and subtract fractions but not to multiply and divide them? Why do we invert and multiply to solve fraction division ...

Suppose you were asked to multiply 25 and 63. If you’re like most people, you’d probably reach for a calculator. But if you couldn’t find one, you’d probably use the standard algorithm you learned in ...

The Schönhage–Strassen algorithm, developed by two German mathematicians, was actually the fastest method of multiplication from 1971 through 2007. Although a faster method was developed in ...

For division, just flip and multiply.” Technically these teachers are right: you don’t need a common denominator when dividing by a fraction. At the same time, the common denominator approach ...

A pair of researchers have found a more efficient way to multiply grids of numbers, beating a record set just a week ago by the artificial intelligence firm DeepMind. The company revealed on 5 ...