A reciprocal is the number you must multiply another number by to get the product of 1. The reciprocal of 4 (which is the same as 4/1) is 1/4. The reciprocal of 3/8 is 8/3. The reciprocal of 13 is 1/13.
This can also be expressed using exponents. The reciprocal of any value x is equal to x-1. So the reciprocal of a/b is (a/b)-1, which is equal to b/a.
To find a reciprocal, put the number under one. If it is a fraction, flip the fraction. Whatever the reciprocal is, remember that it must always multiply to one with the original number.
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The reciprocal of a number plus the reciprocal of twice the number equals Find the number. 1/2 find the number
To find the reciprocal of a number, calculate [1] [divided by] [the number].
Multiply the reciprocal of the divisor by the dividend.
-3
1/3