Cross Multiplication Calculator

Cross Multiplication: ab =cd 

Enter the unknown value as ' x '

 = 

x=



The Cross Multiplication Calculator is a free online tool that displays the unknown value in the given fraction. BYJU’S online cross multiplication calculator tool makes calculations faster and easier. The tool displays the unknown value in a fraction of seconds.

How to Use the Cross Multiplication Calculator?

The procedure to use the cross multiplication calculator is as follows:

Step 1: Enter the fractions with the unknown value “x” in the respective input field

Step 2: Click the button “Calculate x ” to get the output

Step 3: The unknown value “x” will be displayed in the output field “x”.

What is Meant by Cross Multiplication?

In elementary arithmetic operation, to simplify the equation or to find the value of a variable, a process called “Cross Multiplication” is used. Cross multiplication is the process of multiplying the numerator of one side to the denominator of the other side, effectively crossing the terms over. In other words, cross multiplication is the process of removing the fractions from an equation by multiplying each side by a common multiple of the denominator of the fraction of both sides.

Standard Form

The standard form used to represent the cross-multiplication process is given below:

If an equation between two fractions is given in the form:

a/b = c/d

We can cross multiply to get the expression: ad = bc or a = bc/d

Frequently Asked Questions on Cross Multiplication Calculator

Write the standard form to represent cross-multiplication?

If the expression is of the form: a/b = c/d, then the standard form to represent the cross multiplication is ad =bc, where b and d are not zero.

Find the value of x in the given expression using cross-multiplication: x/2 = 2/4.

Given: x/2 = 2/4

x = (2×2)/4

x = 4/4 = 1

Therefore, the value of x is 1.

Write down the steps involved in the cross-multiplication process?

Step 1: Multiply the top and bottom of the first fraction by the denominator of the second fraction

Step 2: Multiply the top and bottom of the second fraction by the denominator of the first fraction

Step 3: Finally, cancel the denominator value on both sides to get the cross multiplied value.

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