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Add 15/18 and 30/7

1st number: 15/18, 2nd number: 4 2/7

15/18 + 30/7 is 215/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 7 is 126
  2. For the 1st fraction, since 18 × 7 = 126,
    15/18 = 15 × 7/18 × 7 = 105/126
  3. Likewise, for the 2nd fraction, since 7 × 18 = 126,
    30/7 = 30 × 18/7 × 18 = 540/126
  4. Add the two fractions:
    105/126 + 540/126 = 105 + 540/126 = 645/126
  5. After reducing the fraction, the answer is 215/42
  6. In mixed form: 55/42

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