# What Is the Cross Multiply Meme?

The Cross Multiply meme is a popular Internet meme that has been circulating since the early 2000s. It is based on an equation that is used to solve a basic algebra problem. The equation is usually written in the form of: a/b x c/d = e/f, where a, b, c, d, e and f are all numbers. The equation is then used to solve a math problem, usually involving fractions. The meme often has humorous or sarcastic comments attached to it, making it a popular joke.

## Why Do You Need to Cross Multiply? Cross multiplying is a useful mathematical skill and can be used to solve many different kinds of equations. It can help you simplify fractions and solve equations involving fractions. It can also be used to solve linear equations and quadratic equations. Knowing how to cross multiply can also help you solve more complex equations, such as those involving trigonometry and calculus.

## How to Cross Multiply Cross multiplying is actually quite simple. All you need to do is multiply the numerators (top numbers) together and then multiply the denominators (bottom numbers) together. For example, if you had the equation 4/7 x 5/9, you would multiply 4 x 5 = 20 and 7 x 9 = 63. Then, you would divide 20 by 63 to get the solution 0.317, which is the answer to your equation.

## Examples of Cross Multiplying You can use cross multiplying to solve many different kinds of equations. For example, you can use it to solve equations with fractions. For instance, if you had the equation 3/5 x 10/12, you would multiply 3 x 10 = 30 and 5 x 12 = 60. Then, you would divide 30 by 60 to get the solution 0.5, which is the answer to your equation.

You can also use cross multiplying to solve equations with variables. For example, if you had the equation 3x/4 = 5/6, you would multiply 3 x 6 = 18 and 4 x 5 = 20. Then, you would divide 18 by 20 to get 0.9, which is the answer to your equation.

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Cross multiplying is a useful skill that can be used to solve many different kinds of equations. It is a simple process that involves multiplying the numerators and denominators together and then dividing the two products. Knowing how to cross multiply can help you simplify fractions, solve linear equations and quadratic equations, and solve more complex equations involving trigonometry and calculus.