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Add 18/27 and 12/90

18/27 + 12/90 is 4/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 90 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 27 × 10 = 270,
    18/27 = 18 × 10/27 × 10 = 180/270
  3. Likewise, for the 2nd fraction, since 90 × 3 = 270,
    12/90 = 12 × 3/90 × 3 = 36/270
  4. Add the two like fractions:
    180/270 + 36/270 = 180 + 36/270 = 216/270
  5. 216/270 simplified gives 4/5
  6. So, 18/27 + 12/90 = 4/5

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