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Add 27/15 and 30/8

1st number: 1 12/15, 2nd number: 3 6/8

27/15 + 30/8 is 111/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 8 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 15 × 8 = 120,
    27/15 = 27 × 8/15 × 8 = 216/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    30/8 = 30 × 15/8 × 15 = 450/120
  4. Add the two like fractions:
    216/120 + 450/120 = 216 + 450/120 = 666/120
  5. 666/120 simplified gives 111/20
  6. So, 27/15 + 30/8 = 111/20
    In mixed form: 511/20

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