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Add 30/18 and 1/84

1st number: 1 12/18, 2nd number: 1/84

30/18 + 1/84 is 47/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 84 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 18 × 14 = 252,
    30/18 = 30 × 14/18 × 14 = 420/252
  3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
    1/84 = 1 × 3/84 × 3 = 3/252
  4. Add the two like fractions:
    420/252 + 3/252 = 420 + 3/252 = 423/252
  5. 423/252 simplified gives 47/28
  6. So, 30/18 + 1/84 = 47/28
    In mixed form: 119/28

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