What is 5 1/4 : - 2 1/2 equal as a mixed number and simplified form

This is first a division problem, and secondly a division problem involving one negative quantity. The correct rewrite of this expression will therefore be negative:

- (5 1/4 : 2 1/2).

Rewrite 5 1/4 as 21/4 and 2 1/2 as 5/2. Then we have:

- (21/4) : (5/2),

which is equivalent to:

- (21/4) * (2/5) = - 42/20 = - 21/10, or - 2 1/10.

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