Q: When do you use cross multiplication?

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Cross multiplication is when you multiply the denominator of a fraction by the numerator of another fraction. Before you cross multiply you want to see if you can simply the fractions.

yes...to know if it is equal use cross multiplication..if the answer is the same as the product of the denominetor to the numerator,it is equal

How do you use division to solve a multiplication equation?Answer this question…

in school, i used multiplication in my planner,a print out or a calculator to help me know it

Identity property of multiplication

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Cross multiplication IS the correct term!

Cross reduction does exist. We use it when we want to make large multiplication fractions simpler =)

Cross multiplication is when you multiply the denominator of a fraction by the numerator of another fraction. Before you cross multiply you want to see if you can simply the fractions.

Maths!

What is the inherent meaning and justification of cross-multiplication as it applies to solving an inequality

Subtraction, division, cross multiplication of vectors, multiplication of matrices, etc.

2.80 is 2.80: you do not need to ise proportions or anything to "find" it!

The answer will depend on the detailed nature of the question.

yes...to know if it is equal use cross multiplication..if the answer is the same as the product of the denominetor to the numerator,it is equal

x/6=7/12

The answer to a multiplication question is called the "Product".

Yes it is. If you use cross multiplication, 3/4 equals 6, while 1/2 equals 4.