Pls read above

Question

Pls show me how to solve this problems step by step.                                                Write an equivalent expression using a commutative property or identity property. Use 4/4 for 1. 

A. 12y + y 

B.  5/6

Answer 1

http://www.mathskey.com/question2answer/13413/equivalent-expression-commutative-property-identity-property.