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How do you add or subtract unlike fraction as a mixed numbers in simplest?

Wiki User

2013-05-30 08:51:51

I think that the easiest way is probably (1) to convert to improper fractions, (2) then get a common denominator, (3) add or subtract, (4) reduce, and finally (5) convert back to a mixed number.

That isn't what you are taught in school. In school you would (1) go straight to the common denominator then (2) see if it is possible to subtract, you don't have as many difficulties to consider in addition, then (3) you may have to 'borrow' 1 from a whole number and turn it into a fraction to make the denominator large enough to subtract, (4) subtract the whole numbers and subtract the fractions, (5) reduce the fraction as needed. In addition you just (1) get a common denominator (2) add whole numbers and fractions (3) reduce the fraction and in some problems change it into a proper fraction and increase the whole number.

Wiki User

2013-05-30 08:51:51
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