Question

1.using commutativity and associativity of addition of rational no., express each of the following as a rational no:


1. 2/5 + 8/3 + -11/15 + 4/5 + -2/3
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Answer 1

Answer:

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Step-by-step explanation:

Answer 2

Answer:

$\frac{37}{11}$

Step-by-step explanation:

$(\frac{2}{5}+\frac{4}{5})+(\frac{8}{3}-\frac{2}{3})-\frac{11}{15}$

$\frac{6}{5}+\frac{6}{3}-\frac{11}{15}$

$\frac{18}{15}+\frac{30}{15}-\frac{11}{15}$

$\frac{37}{11}$