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Add 30/7 and 21/18

1st number: 4 2/7, 2nd number: 1 3/18

30/7 + 21/18 is 229/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 18 is 126
  2. For the 1st fraction, since 7 × 18 = 126,
    30/7 = 30 × 18/7 × 18 = 540/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    21/18 = 21 × 7/18 × 7 = 147/126
  4. Add the two fractions:
    540/126 + 147/126 = 540 + 147/126 = 687/126
  5. After reducing the fraction, the answer is 229/42
  6. In mixed form: 519/42

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