Q: What is the reciprocal of two and a half?

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21/2 = 5/2 ⇒ reciprocal of 21/2 = 1 ÷ 5/2 = 2/5

The reciprocal of 2 is 1/2 (one-half). The reciprocal of any number is 1/number. Simply stated: The reciprocal of any number is the inverse of that number. Let some number, any number, be represented by 'a'. The reciprocal of 'a' is 1/'a'.

That is correct. To divide by a half, you are actually multiplying by two. ■

The reciprocal of 12 and one half is one over 12 and one half, or simply, 1/12.5.

2

Related questions

The reciprocal of two thirds is three halves - which is one and a half (1.5).

21/2 = 5/2 ⇒ reciprocal of 21/2 = 1 ÷ 5/2 = 2/5

The reciprocal of 2 is 1/2 (one-half). The reciprocal of any number is 1/number. Simply stated: The reciprocal of any number is the inverse of that number. Let some number, any number, be represented by 'a'. The reciprocal of 'a' is 1/'a'.

That is correct. To divide by a half, you are actually multiplying by two. ■

The reciprocal of 12 and one half is one over 12 and one half, or simply, 1/12.5.

2

2/15

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

1 / 1112 the reciprocal of any number is just 1 divided by that number, e.g the reciprocal of 4 is a quarter, of 2 is a half etc.

2/15

2/5

2/3 is.