What is the reciprocal of 42/81? Here we will define reciprocal of 42/81, and show you how to calculate the reciprocal of 42/81 in fraction form and decimal form.
The reciprocal of 42/81 is a fraction or a number that when multiplied by 42/81 is equal to 1. To get the reciprocal of 42/81 based on that definition, we can make the following equation where "R" is the reciprocal of 42/81.
(42/81) × R = 1
When we solve for R, we get the answer to the reciprocal of 42/81 as a fraction as follows:
(42/81) × R = 1
R = 81/42
Reciprocal of 42/81 = 81/42
You can check that the answer is correct by confirming that 42/81 times the reciprocal of 42/81 is equal to 1, like this:
42/81 × 81/42 = 1
To find the decimal answer to the reciprocal of 42/81, you divide the numerator of the reciprocal by the demoninator of the reciprocal, like this:
81 ÷ 42 ≈ 1.928571428571
Reciprocal of 42/81 ≈ 1.928571428571
Tip: As you may have inferred from our tutorial above, you can quickly get the reciprocal of any fraction, such as 42/81, by switching the numerator and the denominator.
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Reciprocal of 42/82
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