Support your knowledge of this topic by looking at these guides on Lowest Common Multiple and equivalent fractions. Look at the examples below on how to add and subtract fractions and mixed numbers.

“Who would draw a picture to divide 2/3 by 3/4?” asked Marina Ratner, a professor emerita of mathematics at the University of California at Berkeley, in a recent Wall Street Journal opinion piece.

Dividing a fraction by a fraction can be confusing. There’s something called the reciprocal — or a multiplicative inverse? — and at some point you have to flip a fraction or change something or ...