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Add 27/15 and 42/45

1st number: 1 12/15, 2nd number: 42/45

27/15 + 42/45 is 41/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 45 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 15 × 3 = 45,
    27/15 = 27 × 3/15 × 3 = 81/45
  3. Likewise, for the 2nd fraction, since 45 × 1 = 45,
    42/45 = 42 × 1/45 × 1 = 42/45
  4. Add the two like fractions:
    81/45 + 42/45 = 81 + 42/45 = 123/45
  5. 123/45 simplified gives 41/15
  6. So, 27/15 + 42/45 = 41/15
    In mixed form: 211/15

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