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Add 30/28 and 15/18

1st number: 1 2/28, 2nd number: 15/18

30/28 + 15/18 is 40/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 18 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 28 × 9 = 252,
    30/28 = 30 × 9/28 × 9 = 270/252
  3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
    15/18 = 15 × 14/18 × 14 = 210/252
  4. Add the two like fractions:
    270/252 + 210/252 = 270 + 210/252 = 480/252
  5. 480/252 simplified gives 40/21
  6. So, 30/28 + 15/18 = 40/21
    In mixed form: 119/21

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