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Note that a and a1 are reciprocal to each other. Shortcuts exist to find the reciprocals of specific types of numbers like natural numbers, integer numbers, fractions, and decimals.
Type | Reciprocal | Example |
---|---|---|
Natural Number a | a1 | The reciprocal of 2 is 21. |
Integer Numbers a, a=0 | a1 | The reciprocal of -6 is -61. |
Fraction ba, b=0 | ab | The reciprocal of 23 is 32. |
Decimal a | a1 | The reciprocal of 0.2 is 0.21. |
Finding the reciprocal of a mixed fraction is like finding the reciprocal of a fraction. However, the mixed number is first written as an improper fraction.