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Home > MC2 > Chapter 2 > Lesson 2.2.3 > Problem 2-70


Copy each expression below and simplify it. Be sure to show the steps you use to get the answer.  


    Remember that when you have a common denominator, you can add or subtract the numerators like whole numbers.


    Find a common denominator among all three fractions.

    is a good common denominator to use.


    Find a common denominator for both fractions, then use a Giant One to convert each one.