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How to add and subtract mixed number

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for addition you use this ex= 3 4/5 +1 1/4=   4 13/20 and subtraction for that =              2 3/20
User Jbx
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Find the Least Common Denominator Then Find the equivalent fractions. Then Add or subtract the fractions and add or subtract the whole numbers.Then Write your answer in lowest terms.
How to add and subtract mixed number-example-1
User Aaron Walerstein
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