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Question
Add the following rational numbers.
\[\frac{- 5}{7} and \frac{3}{7}\]
Sum
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Solution
\[\frac{- 5}{7} + \frac{3}{7} = \frac{- 5 + 3}{7} = \frac{- 2}{7}\]
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RELATED QUESTIONS
Add the following rational numbers:
\[\frac{5}{36} and \frac{- 7}{12}\]
Simplify:
\[\frac{7}{9} + \frac{3}{- 4}\]
Re-arrange suitably and find the sum in each of the following:
\[\frac{4}{13} + \frac{- 5}{8} + \frac{- 8}{13} + \frac{9}{13}\]
Re-arrange suitably and find the sum in each of the following:
\[\frac{1}{8} + \frac{5}{12} + \frac{2}{7} + \frac{7}{12} + \frac{9}{7} + \frac{- 5}{16}\]
Evaluate each of the following:
\[\frac{- 5}{14} - \frac{- 2}{7}\]
Simplify each of the following and write as a rational number of the form \[\frac{p}{q}:\]
\[\frac{- 9}{10} + \frac{22}{15} + \frac{13}{- 20}\]
Multiply:
\[- \frac{3}{5} \text{by} - \frac{4}{7}\]
Simplify:
\[\left( \frac{13}{9} \times \frac{- 15}{2} \right) + \left( \frac{7}{3} \times \frac{8}{5} \right) + \left( \frac{3}{5} \times \frac{1}{2} \right)\]
Divide:
\[- 4\ \text{by} \frac{- 3}{5}\]
Express `3/4` as a rational number with denominator:
36
