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Add 42/30 and 15/84

1st number: 1 12/30, 2nd number: 15/84

42/30 + 15/84 is 221/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 84 is 420
  2. For the 1st fraction, since 30 × 14 = 420,
    42/30 = 42 × 14/30 × 14 = 588/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    15/84 = 15 × 5/84 × 5 = 75/420
  4. Add the two fractions:
    588/420 + 75/420 = 588 + 75/420 = 663/420
  5. 663/420 simplified gives 221/140
  6. So, 42/30 + 15/84 = 221/140
    In mixed form: 181/140

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