solve and simplify 21 2/3. + 18/15=   and    21 2/3 - 18/15=

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter3: Solving Equation And Problems
Section3.1: Transforming Equations: Addition And Subtraction
Problem 45WE
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solve and simplify

21 2/3. + 18/15=

 

and 

 

21 2/3 - 18/15=

 

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Step 1

 Given 21 2/3+18/15

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