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Add 54/80 and 27/30

54/80 + 27/30 is 63/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 30 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 80 × 3 = 240,
    54/80 = 54 × 3/80 × 3 = 162/240
  3. Likewise, for the 2nd fraction, since 30 × 8 = 240,
    27/30 = 27 × 8/30 × 8 = 216/240
  4. Add the two like fractions:
    162/240 + 216/240 = 162 + 216/240 = 378/240
  5. 378/240 simplified gives 63/40
  6. So, 54/80 + 27/30 = 63/40
    In mixed form: 123/40

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