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Add 30/21 and 49/18

1st number: 1 9/21, 2nd number: 2 13/18

30/21 + 49/18 is 523/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 18 is 126
  2. For the 1st fraction, since 21 × 6 = 126,
    30/21 = 30 × 6/21 × 6 = 180/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    49/18 = 49 × 7/18 × 7 = 343/126
  4. Add the two fractions:
    180/126 + 343/126 = 180 + 343/126 = 523/126
  5. In mixed form: 419/126

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