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You do not need it! Sometimes it is simpler to multiply by a number's reciprocal than to divide by it but that is not always the case.
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∙ 9y ago
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When you divide one fraction and another why do you have to turn it into a reciprocal?
To divide by a fraction, you multiply by its reciprocal. This is related to the facts that (1) division is the opposite of multiplication, and (2) a reciprocal is the multiplicative "opposite" of a number.
When do you take the reciprocal of a fraction?
You take the reciprocal of a fraction when you want to invert the numerator and the denominator. The reciprocal of a fraction is found by flipping the fraction upside down. For example, the reciprocal of 2/3 is 3/2.
What is the reciprocal of -p over 4?
Reciprocal just means that you flip the fraction... your fraction is -p/4 the reciprocal is 4/-p the reciprocal is extremely important when dividing fractions. because when you divide fractions you have to take the reciprocal of the bottom fraction and then multiply it to your top fraction to get your answer.
How do you devide a fraction with a mixed number?
*divide transform the mixed number into a fraction and then divide like a normal fraction (multiply by reciprocal).
How can you dvide fractions?
To divide a fraction by a fraction, multiply the first fraction by the reciprocal of the second one.
How do you divide a reciprocal fraction?
multiply by the reciprocal
What is the reciprocal of a number?
the reciprocal of a number is 1 divided by the number. if you want to find the reciprocal of a fraction you would need to swap the fraction numbers around and then multiply by 1. and then divide the answer.It is 1 divided by the number.
When you divide one fraction and another why do you have to turn it into a reciprocal?
To divide by a fraction, you multiply by its reciprocal. This is related to the facts that (1) division is the opposite of multiplication, and (2) a reciprocal is the multiplicative "opposite" of a number.
When do you take the reciprocal of a fraction?
You take the reciprocal of a fraction when you want to invert the numerator and the denominator. The reciprocal of a fraction is found by flipping the fraction upside down. For example, the reciprocal of 2/3 is 3/2.
What is the reciprocal of -p over 4?
Reciprocal just means that you flip the fraction... your fraction is -p/4 the reciprocal is 4/-p the reciprocal is extremely important when dividing fractions. because when you divide fractions you have to take the reciprocal of the bottom fraction and then multiply it to your top fraction to get your answer.
How do you devide a fraction with a mixed number?
*divide transform the mixed number into a fraction and then divide like a normal fraction (multiply by reciprocal).
How can you dvide fractions?
To divide a fraction by a fraction, multiply the first fraction by the reciprocal of the second one.
How do you divide a unit fraction by a whole number?
Multiply by the reciprocal.
How do you divide a negative number by a positive fraction?
You multiply the negative number by the reciprocal of the fraction.
Why is it that we don't divide on a dividing fraction?
It's easier to multiply the reciprocal.
How do you use a reciprical to divide a number by a fraction?
Division is multiply by the reciprocal.
What is 5 divided by one eighth?
To divide by a fraction, you multiply with its reciprocal.
