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Because multiplication and division are inverses of each other. We do the same thing with whole numbers, we just don't notice it.

12 divided by 2 equals 12 divided by 2/1 = 12 x 1/2

3/4 x 5/2 is easier to calculate than 3/4 divided by 2/5

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Q: Why we invert and multiply when dividing fractions?
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Related questions

Why do you invert fractions?

When you divide by fractions, you invert and multiply.


How so you divide fractions?

When dividing one fraction by another, invert the second fraction and multiply them.


What is the invert and multiply rule in mathematics?

You may be referring to the rule for dividing fractions. To divide one fraction by another, you invert the second fraction (exchange numerator and denominator), and multiply instead.


How do you divide simple fractions?

invert and multiply


How is dividing fractions different from multiplying fractions?

(3/4) x (5/9) = (3x5)/(4x9) = 15/36, that is when you multiply fractions, you multiply the numerators and form the numerator of the result and multiply the denominators and form the denominator of the result (3/4) / (5/9) = (3/4) x (9/5) = 27/20, that is when you divide fractions, you first invert the fraction by which you are dividing and then multiply the numerators and form the numerator of the result and multiply the denominators and form the denominator of the result


How do you find the quoteint of fractions?

Invert (flip) the second one, and then multiply them.


What is inverted in division of fraction?

The process of dividing two fractions is to invert the second one and multiply. 3/4 divided by 5/6 = 3/4 x 6/5


What job do use for dividing fractions?

multiply


What is the dividing fractions rhyme?

its Dividing fractions is easy as pie, just flip the second and multiply made by krissy


What is a unique way of how to solve dividing fractions?

There is very little that is unique about the process of dividing fractions. Multiply by the reciprocal.


What is the difference between multiplying and dividing two rational expressions?

multiplying rational expressions means multiplying two alg. rxpressions that look like fractions, Just like normal, multiply numerators and multiply denominators then reduce. Division, just like regular fractions means to invert the divisor and the multiply (as above)


What is seven eighths divided by 2?

Seven sixteenths. You invert, then multiply, to divide fractions.