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Add 30/18 and 24/21

1st number: 1 12/18, 2nd number: 1 3/21

30/18 + 24/21 is 59/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 21 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 21 × 6 = 126,
    24/21 = 24 × 6/21 × 6 = 144/126
  4. Add the two fractions:
    210/126 + 144/126 = 210 + 144/126 = 354/126
  5. After reducing the fraction, the answer is 59/21
  6. In mixed form: 217/21

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