Cross multiplication is usually done when you have a fraction being equal to, less than, greater than, less than and equal to, greater than and equal, or in any way equivalently compared to another fraction.
To cross multiply is actually a simple thing to do; just follow these steps, and you will discover you can do any cross-multiplication work.
1. Know the fractions to cross, multiply, and write them down. For example, it would be in the form 2/3 = 4/5. Note, if the fraction is in mixed fraction, kindly convert it to an improper fraction.
2. Identify the numerator and denominator of your fraction. The numerator is usually the number at the top, while the denominator is usually the number below.
3. Multiply the numerator of the first fraction to the denominator of the second fraction. From our above example, you have 2×5 = 3×4.
4. Proceed with your calculations and multiply the number. Now, we'll have 10=12.
