What is #11/2 -: 1/2#?

1 Answer
Apr 2, 2016

#11#

Explanation:

Dividing by one number is the same as multiplying by the reciprocal, and vice versa. Therefore,

#11/2 ÷ 1/2 = 11/2 * 2#
# = 22/2 = 11#

You can also think of the question as asking 'how many halves are there in 11 halves', to which the answer is clearly 11.