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Add 27/15 and 9/30

1st number: 1 12/15, 2nd number: 9/30

27/15 + 9/30 is 21/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 30 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 15 × 2 = 30,
    27/15 = 27 × 2/15 × 2 = 54/30
  3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
    9/30 = 9 × 1/30 × 1 = 9/30
  4. Add the two like fractions:
    54/30 + 9/30 = 54 + 9/30 = 63/30
  5. 63/30 simplified gives 21/10
  6. So, 27/15 + 9/30 = 21/10
    In mixed form: 21/10

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