Using suitable rearrangement- find the sum-4-7 - -4-9 - 3-7 - -13-9

Here, ⇒4/7 + ( 4/9 ) + 3/7 + ( 13/9 ) = 4/7 + 3/7 + ( 4/9 ) + ( 13/9 ) nbsp; nbsp; nbsp;[Using commutative property] = 7/7 17/9 =1 17/9 = ...

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Properties of Addition and Subtraction

Using suitabl...

Question

Using suitable rearrangement, find the sum.
$\frac{4}{7} + (\frac{- 4}{9}) + \frac{3}{7} + (\frac{- 13}{9})$

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\frac{4}{7} + (\frac{- 4}{9}) + \frac{3}{7} + (\frac{- 13}{9})

\frac{4}{7} + (\frac{- 4}{9}) + \frac{3}{7} + (\frac{- 13}{9})

- 5 + \frac{7}{10} + (- 3) + \frac{3}{7} + (\frac{- 4}{5}) + \frac{5}{14}

- 5 + \frac{7}{10} + \frac{3}{7} + (- 3) + \frac{5}{14} + (\frac{- 4}{5})

Re-arrange suitably and find the sum in each of the following :

(i) $\frac{11}{12} + \frac{- 17}{3} + \frac{11}{2} + \frac{- 25}{2}$

(ii) $\frac{- 6}{7} + \frac{- 5}{6} + \frac{- 4}{9} + \frac{- 15}{7}$

(iii) $\frac{3}{5} + \frac{7}{3} + \frac{9}{5} + \frac{- 13}{15} + \frac{- 7}{3}$

(iv) $\frac{4}{13} + \frac{- 5}{8} + \frac{- 8}{13} + \frac{9}{13}$

(v) $\frac{2}{3} + \frac{- 4}{5} + \frac{1}{3} + \frac{2}{5}$

(vi) $\frac{1}{8} + \frac{5}{12} + \frac{2}{7} + \frac{7}{12} + \frac{9}{7} + \frac{- 5}{16}$

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