How do you evaluate -5/21 + 11/21−521+1121?

1 Answer
EZ as pi
Jun 19, 2016

6/21 = 2/7621=27

Explanation:

It is probably easier to do if the terms are written in a different orde. As this is addition we may do that.
11/21-5/211121−521

The denominators are already the same, so just subtract the numerators to get

(11-5)/21 = 6/2111−521=621

In simplest form
6/21 = 2/7621=27

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