The given expression 2/3 + 4/5 and 4/5 + 2/3 are equal due to the commutative property of addition.
The given expression 2/3 + 4/5 and 4/5 + 2/3 are equal because of the commutative property of addition. This property states that the order in which numbers are added doesn't affect the sum. In this case, the fractions have been rearranged, but the sum remains the same.
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