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Add 30/8 and 15/9

1st number: 3 6/8, 2nd number: 1 6/9

30/8 + 15/9 is 65/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 9 is 72
  2. For the 1st fraction, since 8 × 9 = 72,
    30/8 = 30 × 9/8 × 9 = 270/72
  3. Likewise, for the 2nd fraction, since 9 × 8 = 72,
    15/9 = 15 × 8/9 × 8 = 120/72
  4. Add the two fractions:
    270/72 + 120/72 = 270 + 120/72 = 390/72
  5. After reducing the fraction, the answer is 65/12
  6. In mixed form: 55/12

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