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Add 27/35 and 16/21

27/35 + 16/21 is 23/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 21 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 35 × 3 = 105,
    27/35 = 27 × 3/35 × 3 = 81/105
  3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
    16/21 = 16 × 5/21 × 5 = 80/105
  4. Add the two like fractions:
    81/105 + 80/105 = 81 + 80/105 = 161/105
  5. 161/105 simplified gives 23/15
  6. So, 27/35 + 16/21 = 23/15
    In mixed form: 18/15

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