How to Find Common Denominators Then Subtract?

Answer Fractions are mathematical expressions used to describe a specific part of a whole, such as one-fourth (1/4) of the pizza was gone, and to identify ratios, such as two out of three (2/3) girls like... Read More »

Top Q&A For: How to Find Common Denominators Then Subtract

How to Find Least Common Denominators?

A denominator is the bottom number of a fraction in mathematics. In order to add or subtract fractions from one another you must first find the least common denominator, also referred to as the low... Read More »

How to Find Common Denominators Using the Backwards Z Method?

The "backwards Z" method is an easy way to find common denominators of two or more fractions. Have a pencil ready.

How to Find the Least Common Denominator of a Pair of Fractions With Different Denominators?

A fraction consists of a set of numbers denoting the relationship of a part to a whole. The top number is referred to as the numerator, and the bottom number as the denominator. If you are going to... Read More »

How to Add and Subtract Fractions With Unlike Denominators?

Here is a brief explanation of how to subtract fractions. Let's use the fractions 9/11 and 2/4 for each operation.