“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.

In adding and subtracting fractions with unlike denominators, you have to get a least common denominator which is exactly like the least common multiple it just so happens to be in the denominator.

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.

Adding and subtracting algebraic fractions is a similar process to adding and subtracting normal fractions. The denominators of each fraction are different, \(3t\) and \(7t\), so a common denominator ...

NEW YORK--(BUSINESS WIRE)--Common Denominator (formerly known as Top Honors), a New York City-based non-profit that provides free 1-on-1 math tutoring to middle-schoolers from the city’s underserved ...

In almost every equation, one can find a common denominator. Although it may seem a bit counterintuitive, even opposites have something in common. Consider how the cultures of middle Eastern countries ...