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Add 28/30 and 4/27

28/30 + 4/27 is 146/135.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 27 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 30 × 9 = 270,
    28/30 = 28 × 9/30 × 9 = 252/270
  3. Likewise, for the 2nd fraction, since 27 × 10 = 270,
    4/27 = 4 × 10/27 × 10 = 40/270
  4. Add the two like fractions:
    252/270 + 40/270 = 252 + 40/270 = 292/270
  5. 292/270 simplified gives 146/135
  6. So, 28/30 + 4/27 = 146/135
    In mixed form: 111/135

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