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Add 84/18 and 25/42

1st number: 4 12/18, 2nd number: 25/42

84/18 + 25/42 is 221/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 42 is 126
  2. For the 1st fraction, since 18 × 7 = 126,
    84/18 = 84 × 7/18 × 7 = 588/126
  3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
    25/42 = 25 × 3/42 × 3 = 75/126
  4. Add the two fractions:
    588/126 + 75/126 = 588 + 75/126 = 663/126
  5. After reducing the fraction, the answer is 221/42
  6. In mixed form: 511/42

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