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Add 28/21 and 1/7

1st number: 1 7/21, 2nd number: 1/7

28/21 + 1/7 is 31/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 7 is 21

    Next, find the equivalent fraction of both fractional numbers with denominator 21
  2. For the 1st fraction, since 21 × 1 = 21,
    28/21 = 28 × 1/21 × 1 = 28/21
  3. Likewise, for the 2nd fraction, since 7 × 3 = 21,
    1/7 = 1 × 3/7 × 3 = 3/21
  4. Add the two like fractions:
    28/21 + 3/21 = 28 + 3/21 = 31/21
  5. So, 28/21 + 1/7 = 31/21
    In mixed form: 110/21

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