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Add 27/18 and 20/28

1st number: 1 9/18, 2nd number: 20/28

27/18 + 20/28 is 31/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 28 is 252
  2. For the 1st fraction, since 18 × 14 = 252,
    27/18 = 27 × 14/18 × 14 = 378/252
  3. Likewise, for the 2nd fraction, since 28 × 9 = 252,
    20/28 = 20 × 9/28 × 9 = 180/252
  4. Add the two fractions:
    378/252 + 180/252 = 378 + 180/252 = 558/252
  5. 558/252 simplified gives 31/14
  6. So, 27/18 + 20/28 = 31/14
    In mixed form: 23/14

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