Answer :

A. Commutative property for addition:


We have to prove,


4 + 2/5 = 2/5 + 4


LHS,





RHS,





LHS= RHS


Commutative property for addition is satisfied.


B. Commutative property for subtraction:


We have to prove,


4 – 2/5 = 2/5 – 4


LHS,





RHS,





LHS ≠ RHS


Commutative property for subtraction is not satisfied.


C. Commutative property for multiplication:


We have to prove,


4 × 2/5 = 2/5 × 4


LHS,




RHS,




LHS= RHS


Commutative property for multiplication is satisfied.


D. Commutative property for division:


We have to prove that,



LHS,




10


RHS,





LHS ≠ RHS


Commutative property for division is not satisfied.


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