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Answer 1 · 2016-09-19T09:57:08

$1/2$

"Half of one" can be written as a calculation as:

$1 div 2" "larr$ can also be written as $1/2$

Using the method of fraction division.

$1div 2$

= $1/1 xx 1/2 = 1/2$

Using decimals:

$1 div2= 0.5 = 5/10 = 1/2$

Answer 2 · 2016-09-20T13:46:10

$1/2$

Compare to 5 of 10 $-> 5xx10$

So 'of' is the equivalent of multiplication.

Thus half of 1 is $1/2xx1$

Now consider the example: $2xx3" is the same as "3xx2$

So half of 1 $-> 1/2xx1" is the same as 1 of half "-> 1xx1/2$

$color(green)("So half of 1 is: "1/2)$