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Add 2/35 and 15/21

2/35 + 15/21 is 27/35.

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,
    2/35 = 2 × 3/35 × 3 = 6/105
  3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
    15/21 = 15 × 5/21 × 5 = 75/105
  4. Add the two like fractions:
    6/105 + 75/105 = 6 + 75/105 = 81/105
  5. 81/105 simplified gives 27/35
  6. So, 2/35 + 15/21 = 27/35

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