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Add 27/30 and 42/54

27/30 + 42/54 is 151/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 54 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 30 × 9 = 270,
    27/30 = 27 × 9/30 × 9 = 243/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    42/54 = 42 × 5/54 × 5 = 210/270
  4. Add the two like fractions:
    243/270 + 210/270 = 243 + 210/270 = 453/270
  5. 453/270 simplified gives 151/90
  6. So, 27/30 + 42/54 = 151/90
    In mixed form: 161/90

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