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Add 42/18 and 12/84

1st number: 2 6/18, 2nd number: 12/84

42/18 + 12/84 is 52/21.

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,
    42/18 = 42 × 14/18 × 14 = 588/252
  3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
    12/84 = 12 × 3/84 × 3 = 36/252
  4. Add the two like fractions:
    588/252 + 36/252 = 588 + 36/252 = 624/252
  5. 624/252 simplified gives 52/21
  6. So, 42/18 + 12/84 = 52/21
    In mixed form: 210/21

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