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No you only cross multiply when your working with percent
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∙ 12y ago
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What does Cross multiplication mean?
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.
What are the steps to comparing fractions?
cross multiply and the fraction with the largest total is a greater fraction
How do multiply a negative fraction time a positive fraction?
Multiply the numbers ignoring the signs and then add a negative sign.
How do you multiply a mixed fraction by a mixed fractions?
If doing it without a calculator, then convert each mixed fraction into a top-heavy equivalent fraction and then multiply as for fractions.
Define cross product?
When you have a fraction on each side of the equals you can multiply the denominator of the left side times the numerator of the right. It will equal the product of the numerator on the left side times the denominator of the right. That is called cross products.
What does Cross multiplication mean?
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.
How you change decimal to fraction?
cross multiply
What is it called when you multiply the numerator of one fraction by the the denominator of another?
cross multiply
What are the steps to comparing fractions?
cross multiply and the fraction with the largest total is a greater fraction
What is the definition of cross product?
taking two fractions. and cross multiply. all fraction has a numerator (top number) and a denominator (bottom number). multiply the numerator to the other fraction's denominator and the denominator to the other fraction's numerator to get the product.
how to get the answer when you need to multiply fractions?
Butterfly or cross multiply method the nominator of the first fraction times the denominator of the second and vise versa.
What are the steps of how to multiply a fraction?
1st choice of answer :by doing cross multipliying. or by making your denominator same
To divide a fractionby another fraction do you simply divide the numerators and then dividethe denominators?
No because you turn the other fraction upside down and then cross multiply.
What is cross multiplication in math?
It is used for fractions. Let's say you have a fraction 1/2 = 2/4. When you multiply the top (numerator) of the left fraction by the bottom (denominator) of the right fraction it equals the bottom of the left fraction times the top of the right fraction. This is cross multiplying: In this case 1x 4 = 2 x 2. It is useful if you do not know one of the terms and you need to solve it; for example let's say 3/4 = 9/x Cross multiply to find 3x = 36 and x = 12
How do you multiply a fraction by a fraction by another fraction?
Multiply all the numerators together and then multiply all the denominators together
How to multiply a fraction to another fraction?
Multiply the numerators together and then multiply the denominators together.
How can you tell if two fractions are equivalent?
Two fractions are equivalent if the fully simplified fractions are equal. If you can multiply the fraction with the smaller numerator and denominator by the same value to equal the second fraction. For example the fractions 3/4 and 9/12. The nominator and denominator, 3 and 4 have both been multiplied by 3 to equal 9/12. Cross multiply. If the products are equal, the fractions are equal. Cross multiplying means to multiply each numerator of one fraction with the denominator of the other fraction.
