sophiaonfleek
sophiaonfleek sophiaonfleek
  • 09-11-2016
  • Mathematics
contestada

how to add and subtract unlike fractions

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thatstudent124 thatstudent124
  • 09-11-2016
You have to find the least common multiple of the denominators (bottom), and when you do that, you multiply the numerator(top) by the same number. You then add or subtract the numerators. You leave the denominators as they are. Simplify if needed.
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