What is the reciprocal of 20/81? Here we will define reciprocal of 20/81, and show you how to calculate the reciprocal of 20/81 in fraction form and decimal form.
The reciprocal of 20/81 is a fraction or a number that when multiplied by 20/81 is equal to 1. To get the reciprocal of 20/81 based on that definition, we can make the following equation where "R" is the reciprocal of 20/81.
(20/81) × R = 1
When we solve for R, we get the answer to the reciprocal of 20/81 as a fraction as follows:
(20/81) × R = 1
R = 81/20
Reciprocal of 20/81 = 81/20
You can check that the answer is correct by confirming that 20/81 times the reciprocal of 20/81 is equal to 1, like this:
20/81 × 81/20 = 1
To find the decimal answer to the reciprocal of 20/81, you divide the numerator of the reciprocal by the demoninator of the reciprocal, like this:
81 ÷ 20 = 4.05
Reciprocal of 20/81 = 4.05
Tip: As you may have inferred from our tutorial above, you can quickly get the reciprocal of any fraction, such as 20/81, by switching the numerator and the denominator.
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Reciprocal of 20/82
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