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Add 27/15 and 35/21

1st number: 1 12/15, 2nd number: 1 14/21

27/15 + 35/21 is 52/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 21 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 15 × 7 = 105,
    27/15 = 27 × 7/15 × 7 = 189/105
  3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
    35/21 = 35 × 5/21 × 5 = 175/105
  4. Add the two like fractions:
    189/105 + 175/105 = 189 + 175/105 = 364/105
  5. 364/105 simplified gives 52/15
  6. So, 27/15 + 35/21 = 52/15
    In mixed form: 37/15

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