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Add 30/8 and 15/18

1st number: 3 6/8, 2nd number: 15/18

30/8 + 15/18 is 55/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 18 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 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 18 × 4 = 72,
    15/18 = 15 × 4/18 × 4 = 60/72
  4. Add the two like fractions:
    270/72 + 60/72 = 270 + 60/72 = 330/72
  5. 330/72 simplified gives 55/12
  6. So, 30/8 + 15/18 = 55/12
    In mixed form: 47/12

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