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Add 27/21 and 12/63

1st number: 1 6/21, 2nd number: 12/63

27/21 + 12/63 is 31/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 63 is 63
  2. For the 1st fraction, since 21 × 3 = 63,
    27/21 = 27 × 3/21 × 3 = 81/63
  3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
    12/63 = 12 × 1/63 × 1 = 12/63
  4. Add the two fractions:
    81/63 + 12/63 = 81 + 12/63 = 93/63
  5. 93/63 simplified gives 31/21
  6. So, 27/21 + 12/63 = 31/21
    In mixed form: 110/21

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