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Add 84/18 and 18/84

1st number: 4 12/18, 2nd number: 18/84

84/18 + 18/84 is 205/42.

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,
    84/18 = 84 × 14/18 × 14 = 1176/252
  3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
    18/84 = 18 × 3/84 × 3 = 54/252
  4. Add the two like fractions:
    1176/252 + 54/252 = 1176 + 54/252 = 1230/252
  5. 1230/252 simplified gives 205/42
  6. So, 84/18 + 18/84 = 205/42
    In mixed form: 437/42

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