Question

using commutativity and associativity of addition of rational numbers, express each of the following as a rational number

2/5 + 7/3 + -4/5 + -1/3

pls tell the answer
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Answer 1

2/5+7/3-4/5-3

LCM OF5, 3=15

=6+35-28-5/15

=8/15

Answer 2

pls mark me as a brainlist. tq bye ✌️