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Add 7/21 and 1/35

7/21 + 1/35 is 38/105.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 21 × 5 = 105,
    7/21 = 7 × 5/21 × 5 = 35/105
  3. Likewise, for the 2nd fraction, since 35 × 3 = 105,
    1/35 = 1 × 3/35 × 3 = 3/105
  4. Add the two like fractions:
    35/105 + 3/105 = 35 + 3/105 = 38/105
  5. So, 7/21 + 1/35 = 38/105

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