Sum
Express each of the following as a rational number of the form \[\frac{p}{q}:\]
\[\frac{- 7}{4} + \frac{5}{3} + \frac{- 1}{2} + \frac{- 5}{6} + 2\]
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Solution
\[\frac{- 7}{4} + \frac{5}{3} + \frac{- 1}{2} + \frac{- 5}{6} + 2\]
\[ = \frac{- 21}{12} + \frac{20}{12} + \frac{- 6}{12} + \frac{- 10}{12} + \frac{24}{12}\]
\[ = \frac{( - 21) + 20 + ( - 6) + ( - 10) + 24}{12}\]
\[ = \frac{- 21 + 20 - 6 - 10 + 24}{12}\]
\[ = \frac{7}{12}\]
Concept: Concept of Rational Numbers
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