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    how to add mixed numbers

    0  Views: 182 Answers: 1 Posted: 14 years ago

    1 Answer

    A mixed number consists of a whole number and a fraction.
    For example, Two and a half ( 2 1/2 ).
    Basically, there are two ways of adding mixed numbers.

    Method 1
    --------
    Add the two whole numbers first and then add the two fractions.
    For example, two and a half plus three and a quarter.
    2 1/2 + 3 1/4 = 5 3/4
    The answer is 5 3/4 (five and three quarters).

    Method 2
    --------
    First change the two mixed numbers to improper fractions, then add the two improper fractions, and then convert the answer from improper fraction to mixed number.
    For example,two and a half plus three and a quarter.
    2 1/2 in improper fraction is 5/2
    3 1/4 in improper fraction is 13/4
    Then change 5/2 to 10/4 to have a common denominater.
    5/2 and 10/4 have the same value (equivalent fractions).
    2 1/2 + 3 1/4 = 5/2 + 13/4 = 10/4 + 13/4 = 23/4
    Change the answer 23/4 to mixed number which is 5 3/4
    The answer is 5 3/4 (five and three quarters).


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