Question

1. Using commutativity and associativity of addition of rational numbers , express each of the following as a rational number:
(I)
$( \frac{ - 2}{3} ) + ( \frac{ - 4}{7} ) + \frac{8}{3 } + \frac{6}{5}$
(ii)
$\frac{3}{8} + ( \frac{ - 5}{11} ) + ( \frac{ - 21}{8} ) + ( \frac{ - 13}{8} )$
(iii)
$( \frac{ - 3}{4} ) + \frac{5}{20} + ( \frac{ - 21}{4} ) + \frac{9}{20} + \frac{15}{10} + 0 - 8$
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Answer 1

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Answer 2

Answer:

the end answer is 23 divided by 34