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Subjects>Math>Math & Arithmetic

What fraction has a reciprocal that is 4 times its value?

Anonymous

∙ 13y ago

Updated: 9/18/2023

The fraction is 1/2. (or more generally, +/- one half)

Where a ratio is given between the reciprocal and the fraction, the reciprocal (and denominator of the fraction) is the square root of the ratio.

1/x = 4x

1 = 4x2

4x2 = 1

x2 = 1/4

x = 1/2 (or -1/2)

Wiki User

∙ 13y ago

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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 times a fraction to make a whole number?

Multiply it by its reciprocal as for example 3/4 times 4/3 = 1

How do you change a fraction into its reciprocal?

You switch its numerator(top number) with its denominator(Bottom number)

How do you divide fractions by full numbers?

The same as when you divide a fraction by a fraction: you multiply by the reciprocal. Here is an example:Calculate 2/5 divided by 7 Since the reciprocal of 7 is 1/7, you convert this to: 2/5 times 1/7 Then you do the multiplication.

What is the reciprocal of 3 fourths?

3/4 . Its reciprocal is 4/3. You just turn the fraction over. For a whole such '2' its reciprocal is '1/2'.

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