2
The reciprocal of 12 and one half is one over 12 and one half, or simply, 1/12.5.
2/3
2/3
2/1
2/15
2/7
2/1
The reciprocal of any integer n is equal to 1/n. In this instance, the reciprocal of 2 is equal to 1/2 or one half.
21/2 = 5/2 ⇒ reciprocal of 21/2 = 1 ÷ 5/2 = 2/5
A reciprocal is an "upside-down number"!More technically, the reciprocal of a number is 1 divided by the number.Examples:the reciprocal of 2 is one-half (0.5)the reciprocal of 10 is one-tenth (0.1)the reciprocal of 1 = 1
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