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Add 30/18 and 16/42

1st number: 1 12/18, 2nd number: 16/42

30/18 + 16/42 is 43/21.

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,
    30/18 = 30 × 7/18 × 7 = 210/126
  3. Likewise, for the 2nd fraction, since 42 × 3 = 126,
    16/42 = 16 × 3/42 × 3 = 48/126
  4. Add the two fractions:
    210/126 + 48/126 = 210 + 48/126 = 258/126
  5. After reducing the fraction, the answer is 43/21
  6. In mixed form: 21/21

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