What is the reciprocal of 21/10? Here we will define reciprocal of 21/10, and show you how to calculate the reciprocal of 21/10 in fraction form and decimal form.
The reciprocal of 21/10 is a fraction or a number that when multiplied by 21/10 is equal to 1. To get the reciprocal of 21/10 based on that definition, we can make the following equation where "R" is the reciprocal of 21/10.
(21/10) × R = 1
When we solve for R, we get the answer to the reciprocal of 21/10 as a fraction as follows:
(21/10) × R = 1
R = 10/21
Reciprocal of 21/10 = 10/21
You can check that the answer is correct by confirming that 21/10 times the reciprocal of 21/10 is equal to 1, like this:
21/10 × 10/21 = 1
To find the decimal answer to the reciprocal of 21/10, you divide the numerator of the reciprocal by the demoninator of the reciprocal, like this:
10 ÷ 21 ≈ 0.476190476190
Reciprocal of 21/10 ≈ 0.476190476190
Tip: As you may have inferred from our tutorial above, you can quickly get the reciprocal of any fraction, such as 21/10, by switching the numerator and the denominator.
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